Core i7-2657M vs Phenom II X6 1075T

Intel

Core i7-2657M

2 Cores4 Thrd17 WWMax: 2.7 GHz2011

Popular choices:

VS
AMD

Phenom II X6 1075T

6 Cores6 Thrd125 WWMax: 3.5 GHz2010

Popular choices:

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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Core i7-2657M

2011

Why buy it

  • Draws 17W instead of 125W, a 108W reduction.
  • Integrated graphics onboard with HD Graphics 3000, while Phenom II X6 1075T needs a discrete GPU.

Trade-offs

  • Worse for gaming: lower average FPS than Phenom II X6 1075T across 4 shared CPU benchmark tests.
  • Lower PassMark (3,491 vs 3,500).
  • Smaller total L3 cache (4 MB vs 6 MB).
  • No boxed cooler included, unlike Phenom II X6 1075T.

Phenom II X6 1075T

2010

Why buy it

  • Better for gaming: +20.5% higher average FPS across 4 shared CPU benchmark tests.
  • +50% larger total L3 cache (6 MB vs 4 MB).
  • Includes a boxed cooler (Yes), unlike Core i7-2657M.

Trade-offs

  • Launch MSRP is still $245 MSRP, while Core i7-2657M mostly shows up through inconsistent older-market listings.
  • 635.3% higher power demand at 125W vs 17W.
  • No integrated graphics, while Core i7-2657M can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Phenom II X6 1075T better than Core i7-2657M?
Yes. Phenom II X6 1075T is the better overall CPU here. You are getting a 20.5% average FPS lead across 4 shared CPU game tests in our data and 0.3% better PassMark, which makes it the stronger all-around choice.
Which one is better for gaming?
If gaming is the priority, Phenom II X6 1075T is the better pick here. According to our tests, it delivers 20.5% more average FPS across 4 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Phenom II X6 1075T is the better fit. You are getting 0.3% better PassMark, backed by 6 cores and 6 threads. It also carries the larger cache pool with 50% larger total L3 cache (6 MB vs 4 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Phenom II X6 1075T is the smarter buy today. Phenom II X6 1075T is at an unclear MSRP at $245 MSRP versus unclear MSRP, and it gives you a 20.5% average FPS lead across 4 shared CPU game tests in our data. It is also 100.0% better value on MSRP (14.3 vs 0.0 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.
Which one is more future-proof for 2026 and beyond?
Core i7-2657M is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2011 vs 2010). That makes it the safer long-term pick.

Games Benchmarks

Paired with RTX 4090

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.

Path of Exile 2

Path of Exile 2

PresetCore i7-2657MPhenom II X6 1075T
1080p
low87 FPS88 FPS
medium87 FPS88 FPS
high87 FPS88 FPS
ultra77 FPS88 FPS
1440p
low87 FPS88 FPS
medium87 FPS88 FPS
high83 FPS88 FPS
ultra65 FPS72 FPS
4K
low66 FPS62 FPS
medium57 FPS56 FPS
high43 FPS43 FPS
ultra34 FPS34 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore i7-2657MPhenom II X6 1075T
1080p
low67 FPS88 FPS
medium60 FPS88 FPS
high56 FPS88 FPS
ultra41 FPS88 FPS
1440p
low55 FPS88 FPS
medium48 FPS88 FPS
high45 FPS88 FPS
ultra36 FPS88 FPS
4K
low39 FPS88 FPS
medium35 FPS88 FPS
high26 FPS88 FPS
ultra18 FPS72 FPS
League of Legends

League of Legends

PresetCore i7-2657MPhenom II X6 1075T
1080p
low87 FPS88 FPS
medium87 FPS88 FPS
high87 FPS88 FPS
ultra87 FPS88 FPS
1440p
low87 FPS88 FPS
medium87 FPS88 FPS
high87 FPS88 FPS
ultra87 FPS88 FPS
4K
low87 FPS88 FPS
medium87 FPS88 FPS
high87 FPS88 FPS
ultra87 FPS88 FPS
Valorant

Valorant

PresetCore i7-2657MPhenom II X6 1075T
1080p
low87 FPS88 FPS
medium87 FPS88 FPS
high87 FPS88 FPS
ultra87 FPS88 FPS
1440p
low87 FPS88 FPS
medium87 FPS88 FPS
high87 FPS88 FPS
ultra87 FPS88 FPS
4K
low87 FPS88 FPS
medium87 FPS88 FPS
high87 FPS88 FPS
ultra87 FPS88 FPS

Technical Specifications

Side-by-side comparison of Core i7-2657M and Phenom II X6 1075T

Intel

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.

AMD

Phenom II X6 1075T

The Phenom II X6 1075T is manufactured by AMD. It was released in 21 September 2010 (15 years ago). It is based on the Thuban (2010) architecture. It features 6 cores and 6 threads. Base frequency is 3 GHz, with boost up to 3.5 GHz. L3 cache: 6 MB (total). L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 125 Watt. Memory support: DDR3. Passmark benchmark score: 3,500 points. Launch price was $260.

Processing Power

The Core i7-2657M packs 2 cores / 4 threads, while the Phenom II X6 1075T offers 6 cores / 6 threads — the Phenom II X6 1075T has 4 more cores. Boost clocks reach 2.7 GHz on the Core i7-2657M versus 3.5 GHz on the Phenom II X6 1075T — a 25.8% clock advantage for the Phenom II X6 1075T (base: 1.6 GHz vs 3 GHz). The Core i7-2657M uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Phenom II X6 1075T uses Thuban (2010) (45 nm). In PassMark, the Core i7-2657M scores 3,491 against the Phenom II X6 1075T's 3,500 — a 0.3% lead for the Phenom II X6 1075T. Geekbench 6 single-core — the metric most relevant to gaming — records 535 vs 679, a 23.7% lead for the Phenom II X6 1075T that directly translates to higher frame rates. L3 cache: 4 MB on the Core i7-2657M vs 6 MB (total) on the Phenom II X6 1075T.

FeatureCore i7-2657MPhenom II X6 1075T
Cores / Threads
2 / 4
6 / 6+200%
Boost Clock
2.7 GHz
3.5 GHz+30%
Base Clock
1.6 GHz
3 GHz+87%
L3 Cache
4 MB
6 MB (total)+50%
L2 Cache
512 kB
512 kB (per core)
Process
32 nm-29%
45 nm
Architecture
Sandy Bridge (2011−2013)
Thuban (2010)
PassMark
3,491
3,500
Cinebench R23 Multi
1,896
Geekbench 6 Single
535
679+27%
Geekbench 6 Multi
1,960
🧠

Memory & Platform

The Core i7-2657M uses the BGA1023 socket (PCIe 2.0), while the Phenom II X6 1075T uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1333 memory speed. The Phenom II X6 1075T supports up to 32 GB of RAM compared to 8 GB 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: HM65,HM67,QM67,QS67,UM67 (Core i7-2657M) and 880G,890GX,890FX,970,990FX (Phenom II X6 1075T).

FeatureCore i7-2657MPhenom II X6 1075T
Socket
BGA1023
AM3
PCIe Generation
PCIe 2.0
PCIe 2.0
Max RAM Speed
DDR3-1333
DDR3-1333
Max RAM Capacity
8 GB
32 GB+300%
RAM Channels
2
2
ECC Support
No
Yes
PCIe Lanes
16
16
🔧

Advanced Features

Only the Phenom II X6 1075T has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x, VT-d, EPT (Core i7-2657M) vs AMD-V (Phenom II X6 1075T). The Core i7-2657M includes integrated graphics (HD Graphics 3000), while the Phenom II X6 1075T requires a dedicated GPU. Primary use case: Core i7-2657M targets Ultrabook, Phenom II X6 1075T targets Gaming. Direct competitor: Core i7-2657M rivals A6-3420M; Phenom II X6 1075T rivals Core i5-750.

FeatureCore i7-2657MPhenom II X6 1075T
Integrated GPU
Yes
No
IGPU Model
HD Graphics 3000
Unlocked
No
Yes
AVX-512
No
No
Virtualization
VT-x, VT-d, EPT
AMD-V
Target Use
Ultrabook
Gaming