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.

Core i7-2600S vs Xeon L5640 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.

Core i7-2600S vs Xeon L5640: Pros, Cons & Final Verdict

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

Core i7-2600S

2011

Why buy it

✅Costs $699 less on MSRP ($297 MSRP vs $996 MSRP).
✅Delivers 233.8% more PassMark for each dollar spent, at 15.6 vs 4.7 PassMark/$ ($297 MSRP vs $996 MSRP).
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with HD Graphics 2000, while Xeon L5640 needs a discrete GPU.
✅Includes a boxed cooler (Yes), unlike Xeon L5640.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon L5640 across 50 shared CPU benchmark tests.
❌Lower PassMark (4,637 vs 4,659).
❌Smaller total L3 cache (8 MB vs 12 MB).
❌Less compelling for workstation-style loads than Xeon L5640, which brings 6 cores / 12 threads.

Xeon L5640

2010

Why buy it

✅Better for gaming: +3.7% higher average FPS across 50 shared CPU benchmark tests.
✅+50% larger total L3 cache (12 MB vs 8 MB).
✅Better for workstations and heavier parallel workloads: 6 cores / 12 threads.
✅Draws 60W instead of 65W, a 5W reduction.

Trade-offs

❌Lower PassMark per dollar, at 4.7 vs 15.6 PassMark/$ ($996 MSRP vs $297 MSRP).
❌No integrated graphics, while Core i7-2600S can still boot and troubleshoot without a discrete GPU.
❌No boxed cooler included, unlike Core i7-2600S.

Quick Answers

So, is Xeon L5640 better than Core i7-2600S?

Not really, because they are built for different jobs. Xeon L5640 makes more sense for workstation-style multi-core throughput, while Core i7-2600S is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Xeon L5640 is the better pick. According to our tests, it delivers 3.7% 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, Xeon L5640 is the stronger fit. You are getting 0.5% better PassMark, backed by 6 cores and 12 threads. It also has the larger cache pool with 50% larger total L3 cache (12 MB vs 8 MB).

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

Xeon L5640 is still the much better call for a fresh build. Xeon L5640 comes in 235.4% more expensive on MSRP at $996 MSRP versus $297 MSRP, and it still gives you a 3.7% average FPS lead across 50 shared CPU game tests in our data. Core i7-2600S only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2011 platform. Even with 233.8% better value on paper (15.6 vs 4.7 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA1155.

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

Core i7-2600S 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.

Core i7-2600S vs Xeon L5640 Technical Specifications

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

Core i7-2600S

The Core i7-2600S is manufactured by Intel. It was released in 9 January 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 8 threads. Base frequency is 2.8 GHz, with boost up to 3.8 GHz. L3 cache: 8192 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 4,637 points. Launch price was $210.

Xeon L5640

The Xeon L5640 is manufactured by Intel. It was released in 16 March 2010 (15 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 6 cores and 12 threads. Base frequency is 2.26 GHz, with boost up to 2.8 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 60 Watt. Memory support: DDR3. Passmark benchmark score: 4,659 points. Launch price was $200.

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Processing Power

The Core i7-2600S packs 4 cores / 8 threads, while the Xeon L5640 offers 6 cores / 12 threads — the Xeon L5640 has 2 more cores. Boost clocks reach 3.8 GHz on the Core i7-2600S versus 2.8 GHz on the Xeon L5640 — a 30.3% clock advantage for the Core i7-2600S (base: 2.8 GHz vs 2.26 GHz). The Core i7-2600S uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Xeon L5640 uses Westmere-EP (2010−2011) (32 nm). In PassMark, the Core i7-2600S scores 4,637 against the Xeon L5640's 4,659 — a 0.5% lead for the Xeon L5640. L3 cache: 8192 kB (total) on the Core i7-2600S vs 12 MB (total) on the Xeon L5640.

Feature	Core i7-2600S	Xeon L5640
Cores / Threads	4 / 8	6 / 12+50%
Boost Clock	3.8 GHz+36%	2.8 GHz
Base Clock	2.8 GHz+24%	2.26 GHz
L3 Cache	8192 kB (total)	12 MB (total)+50%
L2 Cache	256 kB (per core)	256 kB (per core)
Process	32 nm	32 nm
Architecture	Sandy Bridge (2011−2013)	Westmere-EP (2010−2011)
PassMark	4,637	4,659
Geekbench 6 Single	630	—

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Memory & Platform

The Core i7-2600S uses the LGA1155 socket (PCIe 2.0), while the Xeon L5640 uses LGA1366 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR3-1333 memory speed. The Xeon L5640 supports up to 288 GB of RAM compared to 32 GB — 800% more capacity for professional workloads. Memory channels: 2 (Core i7-2600S) vs 3 (Xeon L5640). PCIe lanes: 16 (Core i7-2600S) vs 0 (Xeon L5640) — the Core i7-2600S offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H61,H67,Z68,B75 (Core i7-2600S) and Intel 5520,Intel X58 (Xeon L5640).

Feature	Core i7-2600S	Xeon L5640
Socket	LGA1155	LGA1366
PCIe Generation	PCIe 2.0	PCIe 5.0+150%
Max RAM Speed	DDR3-1333	DDR3 1333 MHz
Max RAM Capacity	32 GB	288 GB+800%
RAM Channels	2	3+50%
ECC Support	No	Yes
PCIe Lanes	16	0

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Advanced Features

Neither processor supports overclocking. Virtualization support: VT-x, VT-d, EPT (Core i7-2600S) vs true (Xeon L5640). The Core i7-2600S includes integrated graphics (HD Graphics 2000), while the Xeon L5640 requires a dedicated GPU. Primary use case: Core i7-2600S targets Low Power Desktop, Xeon L5640 targets Server Low Power. Direct competitor: Core i7-2600S rivals Phenom II X4 910e.

Feature	Core i7-2600S	Xeon L5640
Integrated GPU	Yes	No
IGPU Model	HD Graphics 2000	—
Unlocked	No	No
AVX-512	No	No
Virtualization	VT-x, VT-d, EPT	true
Target Use	Low Power Desktop	Server Low Power

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Value Analysis

At launch, the Core i7-2600S was priced at $297, while the Xeon L5640 came in at $996. On launch pricing ($297 vs $996), Core i7-2600S was $699 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-2600S delivers 15.6 pts/$ vs 4.7 pts/$ for the Xeon L5640 — making the Core i7-2600S the 107.8% better value option.

Feature	Core i7-2600S	Xeon L5640
MSRP	$297-70%	$996
Performance per Dollar	15.6+232%	4.7
Release Date	2011	2010

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