A10-5800B vs Core i7-940

AMD

A10-5800B

4 Cores4 Thrd100 WWMax: 4.2 GHz2012
Similar parts
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VS
Intel

Core i7-940

4 Cores8 Thrd1 WWMax: 3.2 GHz2008
Similar parts
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A10-5800B vs Core i7-940 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.

A10-5800B vs Core i7-940 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.

A10-5800B vs Core i7-940: Pros, Cons & Final Verdict

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

A10-5800B

2012

Why buy it

  • Integrated graphics onboard with Radeon HD 7660D, while Core i7-940 needs a discrete GPU.
  • Includes a boxed cooler (Yes), unlike Core i7-940.

Trade-offs

  • Lower PassMark (3,027 vs 3,029).
  • 9900% higher power demand at 100W vs 1W.

Core i7-940

2008

Why buy it

  • +0.1% higher PassMark.
  • Draws 1W instead of 100W, a 99W reduction.
  • 125% more PCIe lanes (36 vs 16) for storage and expansion-heavy builds.

Trade-offs

  • Launch MSRP is still $562 MSRP, while A10-5800B mostly shows up through inconsistent older-market listings.
  • No integrated graphics, while A10-5800B can still boot and troubleshoot without a discrete GPU.
  • No boxed cooler included, unlike A10-5800B.

Quick Answers

So, is Core i7-940 better than A10-5800B?
It depends on what you want from the system. For gaming, A10-5800B is ahead with a 0.2% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i7-940 pulls ahead with 0.1% better PassMark.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core i7-940 is the stronger fit. You are getting 0.1% better PassMark, backed by 4 cores and 8 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core i7-940 is the better buy right now. Core i7-940 comes in at an unclear MSRP at $562 MSRP versus unclear MSRP, and it still gives you 0.1% better PassMark. The compromise is that A10-5800B is still the better pure gaming CPU with a 0.2% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (5.4 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
A10-5800B makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2012 vs 2008). That makes it the safer long-term bet.

A10-5800B vs Core i7-940 Technical Specifications

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

AMD

A10-5800B

The A10-5800B is manufactured by AMD. It was released in 2014-01-01. It is based on the Trinity (2012−2013) architecture. It features 4 cores and 4 threads. Base frequency is 3.8 GHz, with boost up to 4.2 GHz. L3 cache: 0 kB. L2 cache: 1 MB (per core). Built on 32 nm process technology. Socket: FM2. Thermal design power (TDP): 100 Watt. Memory support: DDR3. Passmark benchmark score: 3,027 points. Launch price was $130.

Intel

Core i7-940

The Core i7-940 is manufactured by Intel. It was released in Novembro 2008 (17 years ago). It is based on the Bloomfield (2008−2010) architecture. It features 4 cores and 8 threads. Base frequency is 2.93 GHz, with boost up to 3.2 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: 3,029 points. Launch price was $299.

Processing Power

The A10-5800B packs 4 cores / 4 threads, matching the Core i7-940's 4 cores. Boost clocks reach 4.2 GHz on the A10-5800B versus 3.2 GHz on the Core i7-940 — a 27% clock advantage for the A10-5800B (base: 3.8 GHz vs 2.93 GHz). The A10-5800B uses the Trinity (2012−2013) architecture (32 nm), while the Core i7-940 uses Bloomfield (2008−2010) (45 nm). In PassMark, the A10-5800B scores 3,027 against the Core i7-940's 3,029 — a 0.1% lead for the Core i7-940. L3 cache: 0 kB on the A10-5800B vs 8 MB (total) on the Core i7-940.

FeatureA10-5800BCore i7-940
Cores / Threads
4 / 4
4 / 8
Boost Clock
4.2 GHz+31%
3.2 GHz
Base Clock
3.8 GHz+30%
2.93 GHz
L3 Cache
0 kB
8 MB (total)
L2 Cache
1 MB (per core)+300%
256 kB (per core)
Process
32 nm-29%
45 nm
Architecture
Trinity (2012−2013)
Bloomfield (2008−2010)
PassMark
3,027
3,029
Geekbench 6 Single
459
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Memory & Platform

The A10-5800B uses the FM2 socket (PCIe 2.0), while the Core i7-940 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1866 on the A10-5800B versus DDR3-1066 on the Core i7-940 — the A10-5800B supports 75% faster memory, which can translate to measurable gains in memory-sensitive workloads. The A10-5800B supports up to 32 GB of RAM compared to 24 GB 33.3% more capacity for professional workloads. Memory channels: 2 (A10-5800B) vs 3 (Core i7-940). PCIe lanes: 16 (A10-5800B) vs 36 (Core i7-940) — the Core i7-940 offers 20 more lanes for additional GPUs or NVMe drives.

FeatureA10-5800BCore i7-940
Socket
FM2
LGA1366
PCIe Generation
PCIe 2.0
PCIe 2.0
Max RAM Speed
DDR3-1866+75%
DDR3-1066
Max RAM Capacity
32 GB+33%
24 GB
RAM Channels
2
3+50%
ECC Support
No
No
PCIe Lanes
16
36+125%
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Advanced Features

Neither processor supports overclocking. Virtualization support: AMD-V (A10-5800B) vs VT-x (Core i7-940). The A10-5800B includes integrated graphics (Radeon HD 7660D), while the Core i7-940 requires a dedicated GPU. Primary use case: A10-5800B targets Office, Core i7-940 targets Desktop. Direct competitor: A10-5800B rivals Core i3-3220.

FeatureA10-5800BCore i7-940
Integrated GPU
Yes
No
IGPU Model
Radeon HD 7660D
Unlocked
No
No
AVX-512
No
No
Virtualization
AMD-V
VT-x
Target Use
Office
Desktop