Quick Verdict
A capable low-power hybrid processor that brings Intel's P-Core and E-Core design to the entry-level mobile segment, though its 15W base power envelope limits sustained performance under heavy workloads.
Overview
Launch
2023
Status
ActiveGeneration
13th Generation
Market
Mobile
The Intel Core i3-1315UE is a 6-core mobile processor featuring a hybrid architecture with 2 P-Cores and 4 E-Cores, designed for thin-and-light laptops and compact embedded systems requiring balanced performance and low power consumption.
The Core i3-1315UE introduces Intel's hybrid architecture to the i3 mobile tier with 2 performance cores and 4 efficient cores, offering a notable step up from previous-generation i3 U-series chips in multi-threaded tasks while maintaining a 15W base TDP suitable for fanless or low-profile cooling designs.
Specifications
Performance
Handles office applications, web browsing, and light multitasking smoothly. Stumbles with heavy spreadsheet calculations or large document processing.
Limited by 6 cores and 15W TDP. Can run a single lightweight VM but not suitable for serious virtualization work.
Not designed for gaming. The UHD 64EU can handle very light e-sports titles at low settings but modern AAA games are unplayable.
Excellent power efficiency for its performance class. The hybrid design allows E-Cores to handle background tasks at minimal power draw.
- •UHD Graphics 64EU is not a gaming GPU
- •Can manage older 2D games and very light e-sports at 720p low
- •No dedicated VRAM limits texture quality severely
- •Modern games will experience severe bottlenecking
- •No dedicated NPU or AI acceleration hardware
- •CPU-based inference is slow due to low power budget
- •Not suitable for running local AI models
Architecture
10nm (Intel 7)
Process Node
Raptor Lake-U
Codename
6C / 8T
Core Config
10 MB
L3 Cache
15 W
TDP
Architecture Overview
Raptor Lake-U is a refined version of the Alder Lake mobile architecture, featuring slightly higher E-Core frequencies and improved cache management within the same 10nm Intel 7 process.
CPU Design
2 Raptor Cove P-Cores handle foreground tasks while 4 Gracemont E-Cores manage background processes. Only P-Cores support Hyper-Threading, resulting in 6 cores and 8 threads total.
Memory Subsystem
Dual-channel memory controller supporting DDR4-3200, DDR5-5200, LPDDR4x-4267, and LPDDR5-6400, with the LPDDR5 option providing the highest bandwidth for integrated graphics.
PCIe & I/O
8 direct PCIe 4.0 lanes from the CPU, supplemented by 12 PCIe 3.0 lanes from the integrated PCH for peripheral connectivity.
Overclocking
Multiplier is locked. No overclocking support, consistent with the mobile U-series segment.
- Higher E-Core boost frequency (3.3 GHz vs 3.0 GHz)
- Slightly improved P-Core turbo behavior
- Better power management under sustained loads
Key Highlights
- Hybrid architecture brings better multi-threading to entry-level mobile
- Very low 15W base power for thin chassis designs
- Supports modern LPDDR5-6400 memory
- PCIe 4.0 support for faster NVMe storage
- Capable UHD Graphics 64EU for a 15W chip
- Very low 1.2 GHz base clock leads to sluggishness at sustained loads
- Only 8 PCIe lanes directly from the CPU
- No overclocking support
- Not suitable for gaming or content creation
- BGA package means no upgrade path
History
The Core i3-1315UE arrived as part of Intel's January 2023 Raptor Lake mobile launch, extending the hybrid P-Core and E-Core design that debuted with Alder Lake down to the entry-level i3 U-series tier. Previously, i3 mobile chips were limited to all P-Core designs with lower counts. By integrating Gracemont E-Cores into the i3-1315UE, Intel aimed to improve multi-threaded throughput in budget and embedded laptops without significantly increasing power draw.
</br></br>The 'E' suffix in the model name indicates Intel's embedded segment targeting, which means this processor also finds its way into digital signage systems, industrial PCs, and kiosk hardware where long-term availability and controlled thermal envelopes are prioritized over raw performance. This dual positioning as both a laptop and embedded chip reflects Intel's strategy of maximizing die utilization across market segments.</br></br>Compared to its predecessor, the i3-1215UE, the 1315UE offered only incremental improvements: slightly higher E-Core boost clocks and refined power management.
The core architecture remained fundamentally the same, as Raptor Lake-U was more of an optimization cycle than a ground-up redesign for the mobile U-series segment.
Improvements over Previous Generation
- Higher E-Core boost frequency (3.3 GHz vs 3.0 GHz)
- Slightly improved P-Core turbo behavior
- Better power management under sustained loads
Alternatives & Competitors
Should You Buy It?
Not Recommended for the right buyer
Purchasing a pre-built thin-and-light laptop where this CPU is included by the OEM.
Avoid if…
- You need any level of gaming capability
- You run demanding creative applications
- You plan to run multiple virtual machines
- You are building a custom system (BGA package cannot be socketed)
Use Cases
Interesting Facts
The i3-1315UE is one of the few i3 mobile processors to feature Intel's hybrid P-Core and E-Core architecture.
Despite having 6 physical cores, it only supports 8 threads because E-Cores lack Hyper-Threading.
The 55W PL2 turbo power is nearly four times the 15W base TDP, allowing brief but significant performance bursts.
Its UHD Graphics 64EU has more execution units than some desktop i3 integrated GPUs from previous generations.
The processor supports four different memory types, giving OEMs maximum flexibility in board design.
With only 2 P-Cores, this chip actually has fewer high-performance cores than some 12th-gen i5 U-series processors.
The E-Cores in this chip can boost up to 3.3 GHz, which is higher than the base frequency of many older laptop CPUs.
Intel positions this chip partly for the embedded segment, meaning it appears in digital signage and kiosk hardware.
The 10MB L3 cache is shared across all 6 cores, meaning E-Cores and P-Cores compete for the same cache space.
This processor was launched alongside desktop Raptor Lake parts but uses a distinct mobile-optimized die.
People Also Ask
Is the Intel Core i3-1315UE good for gaming?
No, the i3-1315UE is not designed for gaming. Its UHD Graphics 64EU integrated GPU can only handle very light older games at low resolutions and settings. Modern AAA games are essentially unplayable.
What is the difference between i3-1315UE and i5-1335U?
The i5-1335U has 4 P-Cores and 8 E-Cores (12 cores, 16 threads) versus the i3-1315UE's 2 P-Cores and 4 E-Cores (6 cores, 8 threads). The i5 also has a larger 12MB L3 cache and higher sustained performance.
Can the i3-1315UE run Windows 11 smoothly?
Yes, Windows 11 runs smoothly on the i3-1315UE for everyday tasks like web browsing, office applications, and media playback. The hybrid architecture is well-supported by Windows 11's thread scheduler.
What does the 'U' suffix mean in Intel Core i3-1315UE?
The 'U' suffix indicates an ultra-low-power mobile processor typically running at 15W base TDP, designed for thin-and-light laptops. The 'E' suffix denotes an embedded segment variant.
Does the i3-1315UE support DDR5?
Yes, it supports both DDR5-5200 and LPDDR5-6400 memory, as well as DDR4-3200 and LPDDR4x-4267. The actual memory type depends on the laptop manufacturer's board design.
How many cores does the i3-1315UE have?
It has 6 physical cores: 2 performance cores (P-Cores) with Hyper-Threading and 4 efficient cores (E-Cores) without Hyper-Threading, for a total of 8 threads.
Can the i3-1315UE be upgraded?
No, the i3-1315UE uses a BGA 1744 package, meaning it is soldered directly to the motherboard and cannot be removed or upgraded.
What is the max turbo frequency of the i3-1315UE?
The P-Cores can boost up to 4.5 GHz while the E-Cores can reach up to 3.3 GHz. These turbo frequencies are only achievable briefly due to the 15W power limit.
Is the i3-1315UE better than the i3-1215UE?
The i3-1315UE offers marginal improvements over the i3-1215UE, primarily in E-Core boost frequency (3.3 GHz vs 3.0 GHz) and slightly refined power management. The difference in real-world use is minimal.
What integrated graphics does the i3-1315UE have?
It features Intel UHD Graphics with 64 Execution Units (EU), a step up from the 48 EU UHD Graphics found on some lower-tier 12th-gen mobile chips. The dynamic frequency is 1200 MHz.
Frequently Asked Questions
What is the TDP of the Intel Core i3-1315UE?
The base TDP is 15W, with a minimum configurable TDP of 12W and a maximum turbo power (PL2) of 55W for short bursts.
Does the i3-1315UE support Thunderbolt?
Thunderbolt support depends on the laptop manufacturer's implementation. The CPU itself provides PCIe 4.0 lanes that can be used for Thunderbolt 4 if the motherboard includes the required controller.
Can the i3-1315UE output to multiple displays?
Yes, the UHD Graphics 64EU supports multiple display outputs, typically up to three displays depending on the laptop's port configuration.
What is the maximum memory capacity of the i3-1315UE?
Intel specifications list support for up to 64GB of memory across two channels, though the actual limit depends on the laptop's soldered memory configuration.
Does the i3-1315UE support Wi-Fi 6E?
Wi-Fi 6E support depends on the wireless module included by the laptop manufacturer, not the CPU itself. The platform supports modern Intel AX211 and AX211NGW modules that offer Wi-Fi 6E.
Is the i3-1315UE based on Raptor Lake?
Yes, the i3-1315UE is part of the Raptor Lake-U family, which is Intel's 13th generation mobile architecture built on the Intel 7 (10nm) process.
What socket does the i3-1315UE use?
It uses the BGA 1744 socket, which is a ball grid array package soldered directly to the motherboard.
Can the i3-1315UE handle 4K video playback?
Yes, the integrated UHD Graphics 64EU includes hardware decoders for HEVC, VP9, and AV1, enabling smooth 4K video playback at low power consumption.
Does the i3-1315UE support ECC memory?
No, the i3-1315UE does not support ECC (Error-Correcting Code) memory.
What is the die size of the i3-1315UE?
Intel has not officially disclosed the exact die size for the Raptor Lake-U i3 variant. The mobile U-series dies are significantly smaller than desktop counterparts.