Quick Verdict
A reliable low-power quad-core for its time, good for basic desktop tasks, but severely lacking in graphical and multi-threaded performance today.
Overview
Launch
2012
Status
End-of-lifeGeneration
3rd Gen Core i5
Market
Desktop
The Intel Core i5-3330S is a 3rd generation Ivy Bridge quad-core desktop processor with a 65W TDP, featuring Intel HD Graphics 2500 for budget and small form factor PCs.
The Core i5-3330S is an Ivy Bridge processor that balances 4 cores and 4 threads with a low 65W TDP. The 'S' suffix denotes low power, making it ideal for small form factor PCs. It features basic HD 2500 graphics, sufficient for media playback but not gaming.
While it handles everyday tasks well, its lack of Hyper-Threading and aging architecture limit modern multitasking.
Specifications
Performance
4 cores handle basic office tasks well, but the lack of threads and older IPC limits heavy multitasking.
Can run a couple of light VMs with VT-d support, but limited by 4 threads.
The HD 2500 graphics are extremely weak; a dedicated GPU is required for any form of gaming.
The 65W TDP and 22nm process provide excellent efficiency for a desktop chip of its era.
- •HD 2500 graphics are only suitable for 2D applications
- •Requires a discrete GPU for any 3D gaming
- •Older architecture limits performance with modern GPUs
- •No AI hardware support
- •Aging architecture makes AI inference very slow
Architecture
22nm
Process Node
Ivy Bridge
Codename
4C / 4T
Core Config
6 MB
L3 Cache
65 W
TDP
Architecture Overview
The Core i5-3330S leverages the Ivy Bridge microarchitecture, Intel's 3rd generation Core design and a die shrink of Sandy Bridge. Built on the 22-nanometer Tri-Gate process, the die measures 133 mm². The processor features a true quad-core design with 4 threads, operating at a base clock of 2.7 GHz with a turbo boost up to 3.2 GHz. It includes 6 MB of Intel Smart Cache. The 'S' suffix denotes a low-power variant, reducing the thermal design power from the standard 77W down to 65W, making it ideal for small form factor and energy-efficient builds. The integrated graphics are the basic Intel HD Graphics 2500, featuring only 6 execution units. This is significantly weaker than the HD 4000 found in higher-tier Ivy Bridge chips, making it suitable only for display output and media playback rather than 3D rendering. The architecture supports dual-channel DDR3 memory and 16 lanes of PCIe 3.0, ensuring robust connectivity for discrete components. The processor uses the LGA 1155 socket and is compatible with Intel 7-series chipsets.
CPU Design
4 cores, 4 threads, low-power 65W TDP design.
Memory Subsystem
Dual-channel DDR3-1600 support.
PCIe & I/O
16 PCIe 3.0 lanes.
Overclocking
Locked multiplier, no overclocking support.
- Die shrink from 32nm to 22nm
- Support for PCIe 3.0
- Better power efficiency
Key Highlights
- Low 65W TDP for cool and quiet operation
- True quad-core design for basic multitasking
- Uses the ubiquitous LGA 1155 socket
- Supports PCIe 3.0
- Weak HD 2500 integrated graphics
- No Hyper-Threading
- End-of-life and outdated
- Locked multiplier
- DDR3 memory only
History
The Core i5-3330S was launched on September 3, 2012, as part of Intel's Ivy Bridge desktop rollout. <br> Ivy Bridge was a significant architectural milestone for Intel, marking the transition to the 22-nanometer Tri-Gate (FinFET) process. This allowed for greater transistor density and improved power efficiency.
The 3330S was specifically targeted at the budget and small form factor market, offering a 65W TDP instead of the standard 77W. This made it an excellent choice for office PCs, HTPCs, and compact builds where heat and noise were primary concerns. While it lacked the strong integrated graphics of higher-tier models, featuring the cut-down HD 2500, it provided solid quad-core CPU performance for everyday computing.
The chip was popular among system integrators building cost-effective desktops. Today, it is considered end-of-life, having been superseded by numerous generations of more efficient and powerful processors, but it remains a historically important part of Intel's 22nm transition.
Improvements over Previous Generation
- Die shrink from 32nm to 22nm
- Support for PCIe 3.0
- Better power efficiency
Alternatives & Competitors
Should You Buy It?
Not Recommended for the right buyer
Reviving an old office PC for basic web browsing or as a home NAS server.
Avoid if…
- Building a new system
- Playing modern games
- Doing video editing
- Needing modern software compatibility
Use Cases
Interesting Facts
The 'S' suffix stands for 'performance-optimized lifestyle', denoting a 65W TDP.
It features the weak HD 2500 graphics with only 6 execution units.
Built on the 22nm Ivy Bridge architecture.
The die size is 133 mm².
It was released in September 2012.
The max case temperature is 67°C.
The part number is SR0RR.
It supports Intel Quick Sync Video for fast hardware media encoding.
It uses the FC-LGA12C package.
Compatible with Z77, H77, and B75 motherboards.
People Also Ask
Is the Intel Core i5-3330S good for gaming?
No, the HD 2500 graphics are too weak. You need a dedicated GPU, and even then, the 4 cores will bottleneck modern games.
Can you overclock the Core i5-3330S?
No, the multiplier is locked, though you can do limited base clock overclocking on Z77 boards.
What does the 'S' suffix mean in i5-3330S?
The 'S' stands for a low-power variant, reducing the TDP from 77W to 65W.
What socket does the i5-3330S use?
It uses the Intel LGA 1155 socket.
What is the TDP of the i5-3330S?
It has a 65 Watt TDP.
What graphics does the Core i5-3330S have?
It features basic Intel HD Graphics 2500 with only 6 execution units.
Does the i5-3330S support DDR4 memory?
No, it only supports dual-channel DDR3 memory.
How many cores does the i5-3330S have?
It has 4 physical cores and 4 threads. It does not have Hyper-Threading.
What is the max turbo frequency of the i5-3330S?
The maximum turbo frequency is 3.2 GHz.
Can I upgrade the i5-3330S?
Yes, you can upgrade to an i7-3770 or i7-3770K on the same LGA 1155 motherboard.
Frequently Asked Questions
When was the Intel Core i5-3330S released?
It was released on September 3rd, 2012.
What generation is the Core i5-3330S?
It is a 3rd Generation Intel Core processor, codenamed Ivy Bridge.
Does the Core i5-3330S support hardware virtualization?
Yes, it supports VT-x and VT-d for virtualization.
What is the L3 cache size of the i5-3330S?
It has 6 MB of shared L3 cache.
What is the base clock of the i5-3330S?
The base clock is 2.7 GHz.
What is the max case temperature of the i5-3330S?
The maximum case temperature is 67°C.
Does the i5-3330S have an unlocked multiplier?
No, the multiplier is locked.
What PCIe version does the i5-3330S support?
It supports 16 lanes of PCIe 3.0.
What part number is associated with the i5-3330S?
The part number is SR0RR.
Is the i5-3330S good for video editing?
It is too slow and lacks modern instruction sets for comfortable video editing.