Core i7-2640M vs Phenom II X4 850

Intel

Core i7-2640M

2 Cores4 Thrd35 WWMax: 3.5 GHz2011
Similar parts
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VS
AMD

Phenom II X4 850

4 Cores4 Thrd95 WWMax: 3.3 GHz2011
Similar parts
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Core i7-2640M vs Phenom II X4 850 Performance Spectrum

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.

Core i7-2640M vs Phenom II X4 850 FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Core i7-2640M vs Phenom II X4 850: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i7-2640M

2011

Why buy it

  • +0.2% higher PassMark.
  • Draws 35W instead of 95W, a 60W reduction.
  • 100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
  • Integrated graphics onboard with Intel HD Graphics 3000, while Phenom II X4 850 needs a discrete GPU.

Trade-offs

  • Worse for gaming: lower average FPS than Phenom II X4 850 across 50 shared CPU benchmark tests.
  • Launch MSRP is still $346 MSRP, while Phenom II X4 850 mostly shows up through inconsistent older-market listings.

Phenom II X4 850

2011

Why buy it

  • Better for gaming: +4.8% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

  • Lower PassMark (2,441 vs 2,445).
  • 171.4% higher power demand at 95W vs 35W.
  • No integrated graphics, while Core i7-2640M can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i7-2640M better than Phenom II X4 850?
It depends on what you want from the system. For gaming, Phenom II X4 850 is ahead with a 4.8% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i7-2640M pulls ahead with 0.2% better PassMark.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core i7-2640M is the stronger fit. You are getting 0.2% better PassMark, backed by 2 cores and 4 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core i7-2640M is the better buy right now. Core i7-2640M comes in at an unclear MSRP at $346 MSRP versus unclear MSRP, and it still gives you 0.2% better PassMark. The compromise is that Phenom II X4 850 is still the better pure gaming CPU with a 4.8% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (7.1 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Phenom II X4 850 is the safer long-term CPU choice because it gives you more room to grow and a better platform outlook.

Core i7-2640M vs Phenom II X4 850 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Intel

Core i7-2640M

The Core i7-2640M is manufactured by Intel. It was released in 4 September 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 4 threads. Base frequency is 2.8 GHz, with boost up to 3.5 GHz. L3 cache: 4 MB. L2 cache: 512 kB. Built on 32 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 2,445 points. Launch price was $346.

AMD

Phenom II X4 850

The Phenom II X4 850 is manufactured by AMD. It was released in 1 June 2011 (14 years ago). It is based on the Propus (2009−2011) architecture. It features 4 cores and 4 threads. Base frequency is 3.3 GHz, with boost up to 3.3 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 2,441 points. Launch price was $111.

Processing Power

The Core i7-2640M packs 2 cores / 4 threads, while the Phenom II X4 850 offers 4 cores / 4 threads — the Phenom II X4 850 has 2 more cores. Boost clocks reach 3.5 GHz on the Core i7-2640M versus 3.3 GHz on the Phenom II X4 850 — a 5.9% clock advantage for the Core i7-2640M (base: 2.8 GHz vs 3.3 GHz). The Core i7-2640M uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Phenom II X4 850 uses Propus (2009−2011) (45 nm). In PassMark, the Core i7-2640M scores 2,445 against the Phenom II X4 850's 2,441 — a 0.2% lead for the Core i7-2640M. L3 cache: 4 MB on the Core i7-2640M vs 0 kB on the Phenom II X4 850.

FeatureCore i7-2640MPhenom II X4 850
Cores / Threads
2 / 4
4 / 4+100%
Boost Clock
3.5 GHz+6%
3.3 GHz
Base Clock
2.8 GHz
3.3 GHz+18%
L3 Cache
4 MB
0 kB
L2 Cache
512 kB
512 kB (per core)
Process
32 nm-29%
45 nm
Architecture
Sandy Bridge (2011−2013)
Propus (2009−2011)
PassMark
2,445
2,441
Geekbench 6 Single
563
Geekbench 6 Multi
1,184
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Memory & Platform

The Core i7-2640M uses the PGA988 socket (PCIe 2.0), while the Phenom II X4 850 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard.

FeatureCore i7-2640MPhenom II X4 850
Socket
PGA988
AM3
PCIe Generation
PCIe 2.0
PCIe 2.0
Max RAM Speed
1333
Max RAM Capacity
16
RAM Channels
2
ECC Support
No
PCIe Lanes
16
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Advanced Features

Virtualization: true (Core i7-2640M) / not specified (Phenom II X4 850). The Core i7-2640M includes integrated graphics (Intel HD Graphics 3000), while the Phenom II X4 850 requires a dedicated GPU. Direct competitor: Core i7-2640M rivals Phenom II Black Edition N660.

FeatureCore i7-2640MPhenom II X4 850
Integrated GPU
Yes
IGPU Model
Intel HD Graphics 3000
Unlocked
No
AVX-512
No
Virtualization
true