A10 PRO-7800B vs Athlon X4 840

A10 PRO-7800B vs Athlon X4 840 Performance Spectrum

A10 PRO-7800B

4 / 4

3,317

0.0%

Ryzen Threadripper 3990X

Athlon X4 840

4 / 4

3,331

+0.4%

Ryzen Threadripper 3990X

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 PRO-7800B vs Athlon X4 840 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 PRO-7800B vs Athlon X4 840: Pros, Cons & Final Verdict

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

A10 PRO-7800B

2014

Why buy it

✅Integrated graphics onboard with Radeon R7, while Athlon X4 840 needs a discrete GPU.
✅Includes a boxed cooler (Yes), unlike Athlon X4 840.

Trade-offs

❌Lower PassMark (3,317 vs 3,331).

Athlon X4 840

2014

Why buy it

✅+0.4% higher PassMark.

Trade-offs

❌Launch MSRP is still $102 MSRP, while A10 PRO-7800B mostly shows up through inconsistent older-market listings.
❌No integrated graphics, while A10 PRO-7800B can still boot and troubleshoot without a discrete GPU.
❌No boxed cooler included, unlike A10 PRO-7800B.

Quick Answers

So, is Athlon X4 840 better than A10 PRO-7800B?

It depends on what you want from the system. For gaming, A10 PRO-7800B is ahead with a 0.1% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Athlon X4 840 pulls ahead with 0.4% better PassMark.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Athlon X4 840 is the stronger fit. You are getting 0.4% better PassMark, backed by 4 cores and 4 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Athlon X4 840 is the better buy right now. Athlon X4 840 comes in at an unclear MSRP at $102 MSRP versus unclear MSRP, and it still gives you 0.4% better PassMark. The compromise is that A10 PRO-7800B is still the better pure gaming CPU with a 0.1% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (32.7 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

Which one is more future-proof for 2026 and beyond?

Athlon X4 840 makes more sense long term for 2026 and beyond. You are getting more multi-core headroom with 4 cores / 4 threads instead of 4/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

A10 PRO-7800B vs Athlon X4 840 Technical Specifications

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

A10 PRO-7800B

The A10 PRO-7800B is manufactured by AMD. It was released in 31 July 2014 (11 years ago). It is based on the Kaveri (2014−2015) architecture. It features 4 cores and 4 threads. Base frequency is 3.5 GHz, with boost up to 3.9 GHz. L2 cache: 4096 kB. Built on 28 nm process technology. Socket: FM2+. Thermal design power (TDP): 65 Watt. Memory support: DDR3-2133. Passmark benchmark score: 3,317 points. Launch price was $69.

Athlon X4 840

The Athlon X4 840 is manufactured by AMD. It was released in 2009-01-01. It is based on the Kaveri (2014−2015) architecture. It features 4 cores and 4 threads. Base frequency is 3.1 GHz, with boost up to 3.8 GHz. L2 cache: 4 MB. Built on 28 nm process technology. Socket: FM2+. Thermal design power (TDP): 65 watt. Memory support: DDR3. Passmark benchmark score: 3,331 points. Launch price was $149.

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Processing Power

Both the A10 PRO-7800B and Athlon X4 840 share an identical 4-core/4-thread configuration. Boost clocks reach 3.9 GHz on the A10 PRO-7800B versus 3.8 GHz on the Athlon X4 840 — a 2.6% clock advantage for the A10 PRO-7800B (base: 3.5 GHz vs 3.1 GHz). Both are built on the Kaveri (2014−2015) architecture using a 28 nm process. In PassMark, the A10 PRO-7800B scores 3,317 against the Athlon X4 840's 3,331 — a 0.4% lead for the Athlon X4 840.

Feature	A10 PRO-7800B	Athlon X4 840
Cores / Threads	4 / 4	4 / 4
Boost Clock	3.9 GHz+3%	3.8 GHz
Base Clock	3.5 GHz+13%	3.1 GHz
L2 Cache	4096 kB	4 MB
Process	28 nm	28 nm
Architecture	Kaveri (2014−2015)	Kaveri (2014−2015)
PassMark	3,317	3,331
Geekbench 6 Single	446	—

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Memory & Platform

Both processors use the FM2+ socket with PCIe 3.0. Both support up to DDR3-2133 memory speed. The Athlon X4 840 supports up to 64 GB of RAM compared to 32 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: A55,A58,A68H,A75,A78,A88X (A10 PRO-7800B) and AMD FM2+ (Athlon X4 840).

Feature	A10 PRO-7800B	Athlon X4 840
Socket	FM2+	FM2+
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR3-2133	DDR3-2133
Max RAM Capacity	32 GB	64 GB+100%
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	16	16

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Advanced Features

Virtualization: AMD-V (A10 PRO-7800B) / not specified (Athlon X4 840). The A10 PRO-7800B includes integrated graphics (Radeon R7), while the Athlon X4 840 requires a dedicated GPU. Primary use case: A10 PRO-7800B targets Business Desktop. Direct competitor: A10 PRO-7800B rivals Core i3-4160.