A4-3305M vs Xeon E5503

A4-3305M vs Xeon E5503 Performance Spectrum

A4-3305M

2 / 2

1,812

0.0%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Xeon E5503

2 / 2

1,815

+0.2%

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.

A4-3305M 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.

A4-3305M 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.

A4-3305M

2011

Why buy it

✅Better for gaming: +3.7% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 35W instead of 80W, a 45W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Radeon HD 6480G, while Xeon E5503 needs a discrete GPU.

Trade-offs

❌Lower PassMark (1,812 vs 1,815).

Xeon E5503

2010

Why buy it

✅+0.2% higher PassMark.

Trade-offs

❌Worse for gaming: lower average FPS than A4-3305M across 50 shared CPU benchmark tests.
❌128.6% higher power demand at 80W vs 35W.
❌No integrated graphics, while A4-3305M can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is A4-3305M 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 A4-3305M is the more practical desktop choice for gaming, platform cost, and everyday use.

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

For streaming, content creation, and heavier multitasking, Xeon E5503 is the stronger fit. You are getting 0.2% better PassMark, backed by 2 cores and 2 threads.

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

A4-3305M still makes the most sense overall. A4-3305M comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 3.7% average FPS lead across 50 shared CPU game tests in our data.

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

A4-3305M makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2011 vs 2010). That makes it the safer long-term bet.

A4-3305M vs Xeon E5503 Technical Specifications

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

A4-3305M

The A4-3305M is manufactured by AMD. It was released in 2014-01-01. It is based on the Llano (2011−2012) architecture. It features 2 cores and 2 threads. Base frequency is 1.9 GHz, with boost up to 2.5 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 32 nm process technology. Socket: FS1. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,812 points. Launch price was $50.

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.

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Processing Power

Both the A4-3305M and Xeon E5503 share an identical 2-core/2-thread configuration. Boost clocks reach 2.5 GHz on the A4-3305M versus 2 GHz on the Xeon E5503 — a 22.2% clock advantage for the A4-3305M (base: 1.9 GHz vs 2 GHz). The A4-3305M uses the Llano (2011−2012) architecture (32 nm), while the Xeon E5503 uses Gainestown (2009−2010) (45 nm). In PassMark, the A4-3305M scores 1,812 against the Xeon E5503's 1,815 — a 0.2% lead for the Xeon E5503. L3 cache: 0 kB on the A4-3305M vs 4 MB (total) on the Xeon E5503.

Feature	A4-3305M	Xeon E5503
Cores / Threads	2 / 2	2 / 2
Boost Clock	2.5 GHz+25%	2 GHz
Base Clock	1.9 GHz	2 GHz+5%
L3 Cache	0 kB	4 MB (total)
L2 Cache	512K (per core)+100%	256 kB (per core)
Process	32 nm-29%	45 nm
Architecture	Llano (2011−2012)	Gainestown (2009−2010)
PassMark	1,812	1,815
Geekbench 6 Single	276	—

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Memory & Platform

The A4-3305M uses the FS1 socket (PCIe 2.0), while the Xeon E5503 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	A4-3305M	Xeon E5503
Socket	FS1	LGA1366
PCIe Generation	PCIe 2.0	PCIe 2.0
Max RAM Speed	DDR3-1333	—
Max RAM Capacity	16 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: AMD-V (A4-3305M) / not specified (Xeon E5503). The A4-3305M includes integrated graphics (Radeon HD 6480G), while the Xeon E5503 requires a dedicated GPU. Primary use case: A4-3305M targets Budget Laptop. Direct competitor: A4-3305M rivals Pentium B950.