Athlon 64 X2 4200+ vs Phenom II X2 B57

Athlon 64 X2 4200+ vs Phenom II X2 B57 Performance Spectrum

Athlon 64 X2 4200+

2 / 2

1,255

0.0%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Phenom II X2 B57

2 / 2

1,260

+0.4%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

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.

Athlon 64 X2 4200+ vs Phenom II X2 B57 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.

Athlon 64 X2 4200+ vs Phenom II X2 B57: Pros, Cons & Final Verdict

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

Athlon 64 X2 4200+

2006

Why buy it

Trade-offs

❌Lower PassMark (1,255 vs 1,260).
❌Launch MSRP is still $581 MSRP, while Phenom II X2 B57 mostly shows up through inconsistent older-market listings.

Phenom II X2 B57

2010

Why buy it

✅Draws 80W instead of 89W, a 9W reduction.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Quick Answers

So, is Phenom II X2 B57 better than Athlon 64 X2 4200+?

Yes. Phenom II X2 B57 is the better all-around CPU here. It gives you a 0.9% average FPS lead across 50 shared CPU game tests in our data, 0.4% 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, Phenom II X2 B57 is the better pick. According to our tests, it delivers 0.9% 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, Phenom II X2 B57 is the stronger fit. You are getting 0.4% better PassMark, backed by 2 cores and 2 threads.

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

Phenom II X2 B57 is still the much better call for a fresh build. Phenom II X2 B57 comes in at an unclear MSRP at unclear MSRP versus $581 MSRP, and it still gives you a 0.9% average FPS lead across 50 shared CPU game tests in our data. Athlon 64 X2 4200+ only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2006 platform. Even with 100.0% better value on paper (2.2 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on 939.

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

Phenom II X2 B57 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2010 vs 2006) and more multi-core headroom with 2 cores / 2 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Athlon 64 X2 4200+ vs Phenom II X2 B57 Technical Specifications

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

Athlon 64 X2 4200+

The Athlon 64 X2 4200+ is manufactured by AMD. It was released in Dezembro 2006 (19 years ago). It is based on the Manchester (2005−2006) architecture. It features 2 cores and 2 threads. Max frequency: 2.2 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 90 nm process technology. Socket: 939. Thermal design power (TDP): 89 Watt. Passmark benchmark score: 1,255 points. Launch price was $309.

Phenom II X2 B57

The Phenom II X2 B57 is manufactured by AMD. It was released in 2009-01-01. It is based on the Callisto (2009−2010) architecture. It features 2 cores and 2 threads. Base frequency is 3.2 GHz, with boost up to 3.2 GHz. L3 cache: 6 MB (total). L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 1,260 points. Launch price was $149.

⚡

Processing Power

Both the Athlon 64 X2 4200+ and Phenom II X2 B57 share an identical 2-core/2-thread configuration. Boost clocks reach 2.2 GHz on the Athlon 64 X2 4200+ versus 3.2 GHz on the Phenom II X2 B57 — a 37% clock advantage for the Phenom II X2 B57. The Athlon 64 X2 4200+ uses the Manchester (2005−2006) architecture (90 nm), while the Phenom II X2 B57 uses Callisto (2009−2010) (45 nm). In PassMark, the Athlon 64 X2 4200+ scores 1,255 against the Phenom II X2 B57's 1,260 — a 0.4% lead for the Phenom II X2 B57. L3 cache: 0 kB on the Athlon 64 X2 4200+ vs 6 MB (total) on the Phenom II X2 B57.

Feature	Athlon 64 X2 4200+	Phenom II X2 B57
Cores / Threads	2 / 2	2 / 2
Boost Clock	2.2 GHz	3.2 GHz+45%
Base Clock	—	3.2 GHz
L3 Cache	0 kB	6 MB (total)
L2 Cache	512 kB	512 kB (per core)
Process	90 nm	45 nm-50%
Architecture	Manchester (2005−2006)	Callisto (2009−2010)
PassMark	1,255	1,260

🧠

Memory & Platform

The Athlon 64 X2 4200+ uses the 939 socket (PCIe 1.1), while the Phenom II X2 B57 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard.