Athlon 64 X2 5200+ vs Phenom X4 9750B

Athlon 64 X2 5200+ vs Phenom X4 9750B Performance Spectrum

Athlon 64 X2 5200+

2 / 2

1,505

0.0%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Phenom X4 9750B

4 / 4

1,520

+1.0%

Ryzen Threadripper PRO 5945WX

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 5200+ vs Phenom X4 9750B 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 5200+ vs Phenom X4 9750B: 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 5200+

2006

Why buy it

✅Draws 89W instead of 95W, a 6W reduction.

Trade-offs

❌Lower PassMark (1,505 vs 1,520).
❌Lower PassMark per dollar, at 3.6 vs 7.1 PassMark/$ ($420 MSRP vs $215 MSRP).

Phenom X4 9750B

2008

Why buy it

✅+1% higher PassMark.
✅Costs $205 less on MSRP ($215 MSRP vs $420 MSRP).
✅Delivers 97.3% more PassMark for each dollar spent, at 7.1 vs 3.6 PassMark/$ ($215 MSRP vs $420 MSRP).
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

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

Quick Answers

So, is Phenom X4 9750B better than Athlon 64 X2 5200+?

It depends on what you want from the system. For gaming, Athlon 64 X2 5200+ is ahead with a 2.2% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Phenom X4 9750B pulls ahead with 1% better PassMark.

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

For streaming, content creation, and heavier multitasking, Phenom X4 9750B is the stronger fit. You are getting 1% better PassMark, backed by 4 cores and 4 threads.

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

Phenom X4 9750B is the better buy right now. Phenom X4 9750B comes in $205 cheaper on MSRP at $215 MSRP versus $420 MSRP, and it still gives you 1% better PassMark. The compromise is that Athlon 64 X2 5200+ is still the better pure gaming CPU with a 2.2% average FPS lead across 50 shared CPU game tests in our data. It is also 97.3% better value on MSRP (7.1 vs 3.6 PassMark/$), 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 X4 9750B makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2008 vs 2006) and more multi-core headroom with 4 cores / 4 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 5200+ vs Phenom X4 9750B Technical Specifications

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

Athlon 64 X2 5200+

The Athlon 64 X2 5200+ is manufactured by AMD. It was released in 2009-01-01. It is based on the Windsor (2006−2007) architecture. It features 2 cores and 2 threads. Max frequency: 2.7 GHz. L3 cache: 0 kB. L2 cache: 512K. Built on 90 nm process technology. Socket: AM2. Thermal design power (TDP): 89 Watt. Passmark benchmark score: 1,505 points. Launch price was $149.

Phenom X4 9750B

The Phenom X4 9750B is manufactured by AMD. It was released in 2009-01-01. It is based on the Agena (2007−2008) architecture. It features 4 cores and 4 threads. Max frequency: 2.4 GHz. L3 cache: 2 MB (total). L2 cache: 512 kB (per core). Built on 65 nm process technology. Socket: AM2+. Thermal design power (TDP): 95 Watt. Passmark benchmark score: 1,520 points. Launch price was $149.

⚡

Processing Power

The Athlon 64 X2 5200+ packs 2 cores / 2 threads, while the Phenom X4 9750B offers 4 cores / 4 threads — the Phenom X4 9750B has 2 more cores. Boost clocks reach 2.7 GHz on the Athlon 64 X2 5200+ versus 2.4 GHz on the Phenom X4 9750B — a 11.8% clock advantage for the Athlon 64 X2 5200+. The Athlon 64 X2 5200+ uses the Windsor (2006−2007) architecture (90 nm), while the Phenom X4 9750B uses Agena (2007−2008) (65 nm). In PassMark, the Athlon 64 X2 5200+ scores 1,505 against the Phenom X4 9750B's 1,520 — a 1% lead for the Phenom X4 9750B. L3 cache: 0 kB on the Athlon 64 X2 5200+ vs 2 MB (total) on the Phenom X4 9750B.

Feature	Athlon 64 X2 5200+	Phenom X4 9750B
Cores / Threads	2 / 2	4 / 4+100%
Boost Clock	2.7 GHz+13%	2.4 GHz
L3 Cache	0 kB	2 MB (total)
L2 Cache	512K	512 kB (per core)
Process	90 nm	65 nm-28%
Architecture	Windsor (2006−2007)	Agena (2007−2008)
PassMark	1,505	1,520
Geekbench 6 Single	—	300
Geekbench 6 Multi	—	1,000

🧠

Memory & Platform

The Athlon 64 X2 5200+ uses the AM2 socket (PCIe 1.1), while the Phenom X4 9750B uses AM2+ (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-800 on the Athlon 64 X2 5200+ versus DDR2-1066 on the Phenom X4 9750B — the Phenom X4 9750B supports 33.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Athlon 64 X2 5200+ supports up to 16 GB of RAM compared to 8 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Athlon 64 X2 5200+) vs 16 (Phenom X4 9750B) — the Phenom X4 9750B offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD AM2 (Athlon 64 X2 5200+) and AM2+,AM2 (Phenom X4 9750B).

Feature	Athlon 64 X2 5200+	Phenom X4 9750B
Socket	AM2	AM2+
PCIe Generation	PCIe 1.1	PCIe 2.0+82%
Max RAM Speed	DDR2-800	DDR2-1066+33%
Max RAM Capacity	16 GB+100%	8 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	0	16

🔧

Advanced Features

Virtualization: not specified (Athlon 64 X2 5200+) / AMD-V (Phenom X4 9750B). Primary use case: Phenom X4 9750B targets Legacy Desktop.

Feature	Athlon 64 X2 5200+	Phenom X4 9750B
Integrated GPU	No	No
IGPU Model	—	None
Unlocked	—	No
AVX-512	—	No
Virtualization	—	AMD-V
Target Use	—	Legacy Desktop

💰

Value Analysis

At launch, the Athlon 64 X2 5200+ was priced at $420, while the Phenom X4 9750B came in at $215. On launch pricing ($420 vs $215), Phenom X4 9750B was $205 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon 64 X2 5200+ delivers 3.6 pts/$ vs 7.1 pts/$ for the Phenom X4 9750B — making the Phenom X4 9750B the 65.5% better value option.

Feature	Athlon 64 X2 5200+	Phenom X4 9750B
MSRP	$420	$215-49%
Performance per Dollar	3.6	7.1+97%
Release Date	2006	2008

Search Athlon 64 X2 5200+ on Amazon

Search Phenom X4 9750B on Amazon

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.