CPU Comparison
Intel Core i5-1145G7 vs Intel Core i3-1215U
A side-by-side comparison of specs, performance and value. The Intel Core i5-1145G7 is a standard consumer mobile processor released in late 2020 as part of the 11th Gen Tiger Lake lineup. Built on the 10nm SuperFin process, it features 4 cores and 8 threads based on the Willow Cove microarchitecture. Designed primarily for thin-and-light laptops, it operates at a base frequency of 2.6 GHz and can boost up to 4.4 GHz. The chip features a 28W default TDP, though it is often configured lower by OEMs to fit 15W ultrabook thermal limits. It integrates Iris Xe Graphics G7 with 80 Execution Units, delivering a massive leap in integrated graphical performance compared to previous generations, enabling smooth 1080p gaming and rapid hardware video encoding. With 8MB of L3 cache and support for PCIe 4.0 (though limited to 4 lanes), it offered excellent single-threaded responsiveness for everyday productivity, content consumption, and light creative workloads, though it is now superseded by newer generations.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
High single-thread performance makes everyday tasks and web browsing feel extremely snappy.
Handles standard office applications and web browsing smoothly. Heavier multitasking with many browser tabs and applications can show some slowdown.
Gaming
Iris Xe 80EU allows for playable framerates in older or esports titles at 1080p Low, a massive step up from UHD graphics.
Not designed for gaming. The UHD 64EU can handle very light casual titles but modern AAA games are unplayable.
Virtualization
Can run basic VMs for development, but 4 cores limit heavy virtualization workloads.
8 threads allow for a lightweight VM alongside host tasks, but this is not a virtualization-focused part.
Efficiency
Good efficiency at 15W, though 10nm SuperFin is slightly surpassed by newer nodes.
The 15W base TDP with Intel's Thread Director scheduler enables efficient power distribution between P and E cores.
Specialized Performance
AI / ML
- Intel DL Boost for INT8
- GNA 2.0 for background noise cancellation
- Suitable for consumer AI features like background blur
- No dedicated AI acceleration hardware
- 2 P-cores provide limited CPU inference capability
- Not suitable for AI or ML development workloads
Content Creation
Gaming
- Can play CS:GO, Valorant, and League of Legends at 1080p
- Driver support is mature
- Performance heavily depends on laptop memory configuration (dual-channel is essential)
- Not designed for gaming workloads
- UHD 64EU can manage 2D games and very basic 3D
- Modern AAA titles will not run at playable frame rates
- Older eSports titles at lowest settings may be marginally playable
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- Excellent single-thread performance for everyday tasks
- Iris Xe 80EU provides best-in-class integrated graphics at launch
- Good power efficiency for battery life
- Hardware AV1 video decoding
- Native Thunderbolt 4 support (via platform)
Cons
- Only 4 cores and 8 threads limits multi-threaded headroom
- Limited to 4 PCIe 4.0 lanes
- End-of-life status means no further BIOS/feature updates
- Does not support ECC memory
- Surpassed by 12th Gen Alder Lake-U in efficiency and performance
Pros
- Hybrid architecture brings efficiency gains to the i3 tier
- 2 P-cores provide responsive single-threaded performance
- 4 E-cores handle background tasks without waking P-cores
- Broad memory compatibility for OEM flexibility
- 15W TDP enables excellent battery life
- 20 PCIe Gen 4 lanes for fast storage
Cons
- Only 8 threads limit heavy multitasking
- 15W base power constrains sustained performance
- E-cores lack Hyper-Threading
- UHD 64EU integrated graphics are weak for 3D workloads
- BGA package means no CPU upgrade path
- E-core L2 cache is 2MB per module (less than Raptor Lake's 4MB)
Competitors & Alternatives
Intel Core i5-1145G7
- AMD Ryzen 5 5500URival
Consumer Mobile
- AMD Ryzen 7 4700URival
Consumer Mobile
- Compare head-to-headApple M1Rival
Consumer Mobile
- Intel Core i7-1165G7Rival
Consumer Mobile
- Qualcomm Snapdragon 8cx Gen 2Rival
Consumer Mobile
12th Gen successor with hybrid architecture (P+E cores) offering better multi-core performance.
Compare head-to-headSlightly lower clocks but nearly identical performance, often found in cheaper laptops.
Compare head-to-head- AMD Ryzen 5 5600UAlt
Superior Zen 3 architecture with more cores and better battery life.
A newer 12th gen i3 that matches or beats this i5 in multi-core while being cheaper.
Compare head-to-head
Intel Core i3-1215U
- AMD Ryzen 3 5300URival
Budget Mobile
- AMD Ryzen 5 5500URival
Mainstream Mobile
- AMD Ryzen 5 5625URival
Mainstream Mobile
- Apple M1 (base)Rival
Premium Mobile
- Compare head-to-headIntel Core i5-1235URival
Mid-Range Mobile
Raptor Cove P-cores offer better IPC and higher boost clocks for similar power.
Compare head-to-head- AMD Ryzen 3 5425UAlt
Zen 3 architecture provides competitive efficiency for basic computing tasks.
- Apple M1 (base MacBook Air)Alt
Dramatically better performance per watt and battery life at a higher price point.
Our Verdict on Each
A solid 11th gen mobile chip that brought significant IPC and graphics improvements to ultrabooks. However, it is now end-of-life and surpassed by 12th, 13th, and 14th Gen alternatives.
Best for: Buying a heavily discounted used laptop from 2021 for basic office work or student needs.
Read the full reviewA competent entry-level hybrid mobile chip that introduced the P+E architecture to the i3 laptop segment. Adequate for everyday tasks, though the 8-thread ceiling and 15W power limit constrain heavier workloads.
Best for: Purchasing a budget to mid-range laptop in 2022-2023 for everyday tasks, schoolwork, and office use where battery life matters more than raw performance.
Read the full reviewFrequently Asked Questions
Which is better, Intel Core i5-1145G7 or Intel Core i3-1215U?
Based on our editorial ratings, the Intel Core i5-1145G7 comes out ahead with a score of 7.5/10. That said, the best choice depends on your workload — check the spec and performance breakdown above for gaming, productivity and efficiency differences.
Which is faster for gaming, Intel Core i5-1145G7 or Intel Core i3-1215U?
For gaming, the Intel Core i5-1145G7 leads with a gaming performance score of 60/100 among Intel Core i5-1145G7 and Intel Core i3-1215U.
Which uses less power?
The Intel Core i3-1215U has the lowest rated TDP. Power draw across these chips: Intel Core i5-1145G7 (28 W), Intel Core i3-1215U (15 W).
Do Intel Core i5-1145G7 and Intel Core i3-1215U use the same socket?
No. They use different sockets (Intel Core i5-1145G7: Intel BGA 1449, Intel Core i3-1215U: BGA 1744), so each needs a compatible motherboard.
Which has more cores?
The Intel Core i3-1215U has the most cores. Core counts: Intel Core i5-1145G7 (4 cores), Intel Core i3-1215U (6 cores).
Which is faster in multi-core benchmarks?
The Intel Core i5-1145G7 posts the highest multi-core benchmark score. Multi-core results: Intel Core i5-1145G7 (0). Benchmark figures are approximate and workload-dependent.