Athlon II M340 vs Phenom II X2 B53

Athlon II M340 vs Phenom II X2 B53 Performance Spectrum

Athlon II M340

2 / 2

1,115

0.0%

Mobile Athlon 64 3700+

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Phenom II X2 B53

2 / 2

1,137

+2.0%

Mobile Athlon 64 3700+

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 II M340 vs Phenom II X2 B53 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 II M340 vs Phenom II X2 B53: Pros, Cons & Final Verdict

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

Athlon II M340

2009

Why buy it

✅+186% higher Geekbench single-core performance for gaming and desktop responsiveness.
✅Costs $70 less on MSRP ($80 MSRP vs $150 MSRP).
✅Delivers 83.9% more PassMark for each dollar spent, at 13.9 vs 7.6 PassMark/$ ($80 MSRP vs $150 MSRP).
✅Draws 1W instead of 80W, a 79W reduction.

Trade-offs

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

Phenom II X2 B53

2009

Why buy it

Trade-offs

❌Lower Geekbench single-core performance for gaming (300 vs 858).
❌Lower Geekbench multi-core (550 vs 1,500).
❌Lower PassMark per dollar, at 7.6 vs 13.9 PassMark/$ ($150 MSRP vs $80 MSRP).
❌7900% higher power demand at 80W vs 1W.

Quick Answers

So, is Athlon II M340 better than Phenom II X2 B53?

Yes. Athlon II M340 is the better all-around CPU here. It gives you a 1.6% average FPS lead across 50 shared CPU game tests in our data, 172.7% better Geekbench multi-core, 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, Athlon II M340 is the better pick. According to our tests, it delivers 1.6% 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, Athlon II M340 is the stronger fit. You are getting 172.7% better Geekbench multi-core, backed by 2 cores and 2 threads.

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

Athlon II M340 is the better buy right now. Athlon II M340 comes in $70 cheaper on MSRP at $80 MSRP versus $150 MSRP, and it still gives you a 1.6% average FPS lead across 50 shared CPU game tests in our data. It is also 83.9% better value on MSRP (13.9 vs 7.6 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Athlon II M340 makes more sense long term for 2026 and beyond. You are getting 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 II M340 vs Phenom II X2 B53 Technical Specifications

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

Athlon II M340

The Athlon II M340 is manufactured by AMD. It was released in 2009-01-01. It is based on the Caspian (2009) architecture. It features 2 cores and 2 threads. Max frequency: 2.2 GHz. L2 cache: 1 MB. Built on 45 nm process technology. Socket: S1g3. Thermal design power (TDP): 1 MB. Memory support: DDR2. Passmark benchmark score: 1,115 points. Launch price was $149.

Phenom II X2 B53

The Phenom II X2 B53 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 2.8 GHz, with boost up to 2.8 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: 1,137 points. Launch price was $149.

⚡

Processing Power

Both the Athlon II M340 and Phenom II X2 B53 share an identical 2-core/2-thread configuration. Boost clocks reach 2.2 GHz on the Athlon II M340 versus 2.8 GHz on the Phenom II X2 B53 — a 24% clock advantage for the Phenom II X2 B53. The Athlon II M340 uses the Caspian (2009) architecture (45 nm), while the Phenom II X2 B53 uses Callisto (2009−2010) (45 nm). In PassMark, the Athlon II M340 scores 1,115 against the Phenom II X2 B53's 1,137 — a 2% lead for the Phenom II X2 B53. Geekbench 6 single-core — the metric most relevant to gaming — records 858 vs 300, a 96.4% lead for the Athlon II M340 that directly translates to higher frame rates. Multi-core Geekbench: 1,500 vs 550 (92.7% advantage for the Athlon II M340).

Feature	Athlon II M340	Phenom II X2 B53
Cores / Threads	2 / 2	2 / 2
Boost Clock	2.2 GHz	2.8 GHz+27%
Base Clock	—	2.8 GHz
L3 Cache	—	6 MB (total)
L2 Cache	1 MB+100%	512 kB (per core)
Process	45 nm	45 nm
Architecture	Caspian (2009)	Callisto (2009−2010)
PassMark	1,115	1,137+2%
Geekbench 6 Single	858+186%	300
Geekbench 6 Multi	1,500+173%	550

🧠

Memory & Platform

The Athlon II M340 uses the S1g3 socket (PCIe 2.0), while the Phenom II X2 B53 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-800 on the Athlon II M340 versus DDR3-1333 on the Phenom II X2 B53 — the Phenom II X2 B53 supports 66.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Phenom II X2 B53 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. Both provide 0 PCIe lanes. Chipset compatibility: RS880M (Athlon II M340) and AM3,AM2+ (Phenom II X2 B53).

Feature	Athlon II M340	Phenom II X2 B53
Socket	S1g3	AM3
PCIe Generation	PCIe 2.0	PCIe 2.0
Max RAM Speed	DDR2-800	DDR3-1333+67%
Max RAM Capacity	8 GB	16 GB+100%
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	0	0

🔧

Advanced Features

Virtualization support: AMD-V (Athlon II M340) vs Yes (Phenom II X2 B53). Primary use case: Athlon II M340 targets Laptop.

Feature	Athlon II M340	Phenom II X2 B53
Integrated GPU	No	No
Unlocked	No	—
AVX-512	No	No
Virtualization	AMD-V	Yes
Target Use	Laptop	—

💰

Value Analysis

At launch, the Athlon II M340 was priced at $80, while the Phenom II X2 B53 came in at $150. On launch pricing ($80 vs $150), Athlon II M340 was $70 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon II M340 delivers 13.9 pts/$ vs 7.6 pts/$ for the Phenom II X2 B53 — making the Athlon II M340 the 59.1% better value option.

Feature	Athlon II M340	Phenom II X2 B53
MSRP	$80-47%	$150
Performance per Dollar	13.9+83%	7.6
Release Date	2009	2009

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