Athlon 64 X2 6000+ vs Xeon E5503

Athlon 64 X2 6000+ vs Xeon E5503 Performance Spectrum

Athlon 64 X2 6000+

2 / 2

1,825

+0.6%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Xeon E5503

2 / 2

1,815

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.

Athlon 64 X2 6000+ vs Xeon E5503 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 6000+ vs Xeon E5503: 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 6000+

2007

Why buy it

✅Better for gaming: +5.3% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Launch MSRP is still $450 MSRP, while Xeon E5503 mostly shows up through inconsistent older-market listings.
❌56.3% higher power demand at 125W vs 80W.

Xeon E5503

2010

Why buy it

✅Draws 80W instead of 125W, a 45W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Athlon 64 X2 6000+ across 50 shared CPU benchmark tests.
❌Lower PassMark (1,815 vs 1,825).

Quick Answers

So, is Athlon 64 X2 6000+ better than Xeon E5503?

Not really, because they are built for different jobs. Xeon E5503 makes more sense for workstation-style multi-core throughput, while Athlon 64 X2 6000+ is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Athlon 64 X2 6000+ is the better pick. According to our tests, it delivers 5.3% 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 64 X2 6000+ is the stronger fit. You are getting 0.6% better PassMark, backed by 2 cores and 2 threads.

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

Athlon 64 X2 6000+ is the better buy right now. Athlon 64 X2 6000+ comes in at an unclear MSRP at $450 MSRP versus unclear MSRP, and it still gives you a 5.3% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (4.1 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Xeon E5503 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2010 vs 2007). That makes it the safer long-term bet.

Athlon 64 X2 6000+ vs Xeon E5503 Technical Specifications

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

Athlon 64 X2 6000+

The Athlon 64 X2 6000+ 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: 3.1 GHz. L3 cache: 0 kB. L2 cache: 512K. Built on 90 nm process technology. Socket: AM2. Thermal design power (TDP): 125 Watt. Passmark benchmark score: 1,825 points. Launch price was $149.

Xeon E5503

The Xeon E5503 is manufactured by Intel. It was released in 16 March 2010 (15 years ago). It is based on the Gainestown (2009−2010) architecture. It features 2 cores and 2 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1366. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 1,815 points. Launch price was $287.

⚡

Processing Power

Both the Athlon 64 X2 6000+ and Xeon E5503 share an identical 2-core/2-thread configuration. Boost clocks reach 3.1 GHz on the Athlon 64 X2 6000+ versus 2 GHz on the Xeon E5503 — a 43.1% clock advantage for the Athlon 64 X2 6000+. The Athlon 64 X2 6000+ uses the Windsor (2006−2007) architecture (90 nm), while the Xeon E5503 uses Gainestown (2009−2010) (45 nm). In PassMark, the Athlon 64 X2 6000+ scores 1,825 against the Xeon E5503's 1,815 — a 0.5% lead for the Athlon 64 X2 6000+. L3 cache: 0 kB on the Athlon 64 X2 6000+ vs 4 MB (total) on the Xeon E5503.

Feature	Athlon 64 X2 6000+	Xeon E5503
Cores / Threads	2 / 2	2 / 2
Boost Clock	3.1 GHz+55%	2 GHz
Base Clock	—	2 GHz
L3 Cache	0 kB	4 MB (total)
L2 Cache	512K+100%	256 kB (per core)
Process	90 nm	45 nm-50%
Architecture	Windsor (2006−2007)	Gainestown (2009−2010)
PassMark	1,825	1,815

🧠

Memory & Platform

The Athlon 64 X2 6000+ uses the AM2 socket (PCIe 1.1), while the Xeon E5503 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.