Core i7-2657M vs Core i7-975
Core i7-2657M
Core i7-975
Performance Spectrum - CPU
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money. The Core i7-2657M is positioned at rank 268 and the Core i7-975 is on rank 1084, so the Core i7-2657M offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-2657M
Performance Per Dollar Core i7-975
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-2657M | Core i7-975 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($50) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Bloomfield (2008−2010) / 45 nm) |
💎 Value Proposition
| Insight | Core i7-2657M | Core i7-975 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($50) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Core i7-2657M and Core i7-975
Core i7-2657M
The Core i7-2657M is manufactured by Intel. It was released in 3 January 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 4 threads. Base frequency is 1.6 GHz, with boost up to 2.7 GHz. L3 cache: 4 MB. L2 cache: 512 kB. Built on 32 nm process technology. Socket: BGA1023. Thermal design power (TDP): 17 Watt. Memory support: DDR3-1066, DDR3-1333. Passmark benchmark score: 3,491 points. Launch price was $317.
Core i7-975
The Core i7-975 is manufactured by Intel. It was released in 2 June 2009 (16 years ago). It is based on the Bloomfield (2008−2010) architecture. It features 4 cores and 8 threads. Base frequency is 3.33 GHz, with boost up to 3.6 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1366. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 3,527 points. Launch price was $476.
Processing Power
The Core i7-2657M packs 2 cores / 4 threads, while the Core i7-975 offers 4 cores / 8 threads — the Core i7-975 has 2 more cores. Boost clocks reach 2.7 GHz on the Core i7-2657M versus 3.6 GHz on the Core i7-975 — a 28.6% clock advantage for the Core i7-975 (base: 1.6 GHz vs 3.33 GHz). The Core i7-2657M uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Core i7-975 uses Bloomfield (2008−2010) (45 nm). In PassMark, the Core i7-2657M scores 3,491 against the Core i7-975's 3,527 — a 1% lead for the Core i7-975. L3 cache: 4 MB on the Core i7-2657M vs 8 MB (total) on the Core i7-975.
| Feature | Core i7-2657M | Core i7-975 |
|---|---|---|
| Cores / Threads | 2 / 4 | 4 / 8+100% |
| Boost Clock | 2.7 GHz | 3.6 GHz+33% |
| Base Clock | 1.6 GHz | 3.33 GHz+108% |
| L3 Cache | 4 MB | 8 MB (total)+100% |
| L2 Cache | 512 kB+100% | 256 kB (per core) |
| Process | 32 nm-29% | 45 nm |
| Architecture | Sandy Bridge (2011−2013) | Bloomfield (2008−2010) |
| PassMark | 3,491 | 3,527+1% |
| Geekbench 6 Single | 535 | — |
Memory & Platform
The Core i7-2657M uses the BGA1023 socket (PCIe 2.0), while the Core i7-975 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core i7-2657M | Core i7-975 |
|---|---|---|
| Socket | BGA1023 | LGA1366 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-1333 | — |
| Max RAM Capacity | 8 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: VT-x, VT-d, EPT (Core i7-2657M) / not specified (Core i7-975). The Core i7-2657M includes integrated graphics (HD Graphics 3000), while the Core i7-975 requires a dedicated GPU. Primary use case: Core i7-2657M targets Ultrabook. Direct competitor: Core i7-2657M rivals A6-3420M.
| Feature | Core i7-2657M | Core i7-975 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | HD Graphics 3000 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d, EPT | — |
| Target Use | Ultrabook | — |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Core i7-2657M and Core i7-975
