A10 PRO-7850B vs Core i5-2405S

CPU

GPU

A10 PRO-7850B

4 Cores4 Thrd95 WWMax: 4 GHz2014

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Core i5-2405S

4 Cores4 Thrd65 WWMax: 3.3 GHz2011

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A10 PRO-7850B vs Core i5-2405S Performance Spectrum

A10 PRO-7850B

4 / 4

3,441

+1.3%

Ryzen Threadripper 3990X

Core i5-2405S

4 / 4

3,397

0.0%

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-7850B vs Core i5-2405S 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-7850B vs Core i5-2405S: 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-7850B

2014

Why buy it

✅Better for gaming: +8.8% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Lower PassMark per dollar, at 8.1 vs 11.0 PassMark/$ ($426 MSRP vs $309 MSRP).
❌46.2% higher power demand at 95W vs 65W.
❌No boxed cooler included, unlike Core i5-2405S.

Core i5-2405S

2011

Why buy it

✅Costs $117 less on MSRP ($309 MSRP vs $426 MSRP).
✅Delivers 36.1% more PassMark for each dollar spent, at 11.0 vs 8.1 PassMark/$ ($309 MSRP vs $426 MSRP).
✅Draws 65W instead of 95W, a 30W reduction.
✅Includes a boxed cooler (Yes), unlike A10 PRO-7850B.

Trade-offs

❌Worse for gaming: lower average FPS than A10 PRO-7850B across 50 shared CPU benchmark tests.
❌Lower PassMark (3,397 vs 3,441).

Quick Answers

So, is A10 PRO-7850B better than Core i5-2405S?

Yes. A10 PRO-7850B is the better all-around CPU here. It gives you a 8.8% average FPS lead across 50 shared CPU game tests in our data, 1.3% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, A10 PRO-7850B is the better pick. According to our tests, it delivers 8.8% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, A10 PRO-7850B is the stronger fit. You are getting 1.3% better PassMark, backed by 4 cores and 4 threads.

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

A10 PRO-7850B is still the much better call for a fresh build. A10 PRO-7850B comes in 37.9% more expensive on MSRP at $426 MSRP versus $309 MSRP, and it still gives you a 8.8% average FPS lead across 50 shared CPU game tests in our data. Core i5-2405S only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2011 platform. Even with 36.1% better value on paper (11.0 vs 8.1 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA1155.

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

A10 PRO-7850B makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2014 vs 2011) and 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-7850B vs Core i5-2405S Technical Specifications

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

A10 PRO-7850B

The A10 PRO-7850B 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 3.7 GHz, with boost up to 4 GHz. L2 cache: 4096 kB. Built on 28 nm process technology. Socket: FM2+. Thermal design power (TDP): 95 Watt. Memory support: DDR3-2133. Passmark benchmark score: 3,441 points. Launch price was $69.

Core i5-2405S

The Core i5-2405S is manufactured by Intel. It was released in 22 May 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 4 threads. Base frequency is 2.5 GHz, with boost up to 3.3 GHz. L3 cache: 6 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 3,397 points. Launch price was $472.

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Processing Power

Both the A10 PRO-7850B and Core i5-2405S share an identical 4-core/4-thread configuration. Boost clocks reach 4 GHz on the A10 PRO-7850B versus 3.3 GHz on the Core i5-2405S — a 19.2% clock advantage for the A10 PRO-7850B (base: 3.7 GHz vs 2.5 GHz). The A10 PRO-7850B uses the Kaveri (2014−2015) architecture (28 nm), while the Core i5-2405S uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the A10 PRO-7850B scores 3,441 against the Core i5-2405S's 3,397 — a 1.3% lead for the A10 PRO-7850B. Geekbench 6 single-core — the metric most relevant to gaming — records 470 vs 557, a 16.9% lead for the Core i5-2405S that directly translates to higher frame rates.

Feature	A10 PRO-7850B	Core i5-2405S
Cores / Threads	4 / 4	4 / 4
Boost Clock	4 GHz+21%	3.3 GHz
Base Clock	3.7 GHz+48%	2.5 GHz
L3 Cache	—	6 MB (total)
L2 Cache	4096 kB+1500%	256 kB (per core)
Process	28 nm-13%	32 nm
Architecture	Kaveri (2014−2015)	Sandy Bridge (2011−2013)
PassMark	3,441+1%	3,397
Geekbench 6 Single	470	557+19%
Geekbench 6 Multi	—	1,480

🧠

Memory & Platform

The A10 PRO-7850B uses the FM2+ socket (PCIe 3.0), while the Core i5-2405S uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-2133 on the A10 PRO-7850B versus DDR3-1333 on the Core i5-2405S — the A10 PRO-7850B supports 60% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 32 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: A55,A58,A68H,A75,A78,A88X (A10 PRO-7850B) and H61,B65,Q65,H67,P67,Z68,B75,Z77 (Core i5-2405S).

Feature	A10 PRO-7850B	Core i5-2405S
Socket	FM2+	LGA1155
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR3-2133+60%	DDR3-1333
Max RAM Capacity	32 GB	32 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	16	16

🔧

Advanced Features

Neither processor supports overclocking. Virtualization support: AMD-V (A10 PRO-7850B) vs VT-x / EPT (Core i5-2405S). Both include integrated graphics — Radeon R7 (A10 PRO-7850B) and Intel HD Graphics 3000 (Core i5-2405S) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: A10 PRO-7850B targets Business Desktop, Core i5-2405S targets Budget. Direct competitor: A10 PRO-7850B rivals Core i5-4590.

Feature	A10 PRO-7850B	Core i5-2405S
Integrated GPU	Yes	Yes
IGPU Model	Radeon R7	Intel HD Graphics 3000
Unlocked	No	No
AVX-512	No	No
Virtualization	AMD-V	VT-x / EPT
Target Use	Business Desktop	Budget

💰

Value Analysis

At launch, the A10 PRO-7850B was priced at $426, while the Core i5-2405S came in at $309. On launch pricing ($426 vs $309), Core i5-2405S was $117 cheaper. In terms of value on MSRP (PassMark points per dollar), the A10 PRO-7850B delivers 8.1 pts/$ vs 11.0 pts/$ for the Core i5-2405S — making the Core i5-2405S the 30.6% better value option.

Feature	A10 PRO-7850B	Core i5-2405S
MSRP	$426	$309-27%
Performance per Dollar	8.1	11.0+36%
Release Date	2014	2011

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