Core 2 Extreme X7800 vs Core i5-2537M

Intel

Core 2 Extreme X7800

2 Cores2 Thrd4 WWMax: 2.6 GHz2007
Similar parts
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VS
Intel

Core i5-2537M

2 Cores4 Thrd17 WWMax: 2.3 GHz2011
Similar parts
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Core 2 Extreme X7800 vs Core i5-2537M Performance Spectrum

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.

Core 2 Extreme X7800 vs Core i5-2537M 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 2 Extreme X7800 vs Core i5-2537M: Pros, Cons & Final Verdict

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

Core 2 Extreme X7800

2007

Why buy it

  • +33.3% larger total L3 cache (4 MB vs 3 MB).
  • Draws 4W instead of 17W, a 13W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than Core i5-2537M across 50 shared CPU benchmark tests.
  • Lower PassMark (1,138 vs 1,144).
  • No integrated graphics, while Core i5-2537M can still boot and troubleshoot without a discrete GPU.

Core i5-2537M

2011

Why buy it

  • Better for gaming: +3.5% higher average FPS across 50 shared CPU benchmark tests.
  • Integrated graphics onboard with Intel HD Graphics 3000, while Core 2 Extreme X7800 needs a discrete GPU.

Trade-offs

  • Smaller total L3 cache (3 MB vs 4 MB).
  • Launch MSRP is still $250 MSRP, while Core 2 Extreme X7800 mostly shows up through inconsistent older-market listings.
  • 325% higher power demand at 17W vs 4W.

Quick Answers

So, is Core i5-2537M better than Core 2 Extreme X7800?
Yes. Core i5-2537M is the better all-around CPU here. It gives you a 3.5% average FPS lead across 50 shared CPU game tests in our data, 0.5% better PassMark, 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, Core i5-2537M is the better pick. According to our tests, it delivers 3.5% 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, Core i5-2537M is the stronger fit. You are getting 0.5% better PassMark, backed by 2 cores and 4 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core i5-2537M is the better buy right now. Core i5-2537M comes in at an unclear MSRP at $250 MSRP versus unclear MSRP, and it still gives you a 3.5% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (4.6 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Core i5-2537M makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2011 vs 2007) and more multi-core headroom with 2 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.

Core 2 Extreme X7800 vs Core i5-2537M Technical Specifications

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

Intel

Core 2 Extreme X7800

The Core 2 Extreme X7800 is manufactured by Intel. It was released in 17 July 2007 (18 years ago). It is based on the Merom XE (2007) architecture. It features 2 cores and 2 threads. Base frequency is 2.6 GHz, with boost up to 2.6 GHz. L3 cache: 4 MB L2 Cache. L2 cache: 4 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 44 Watt. Passmark benchmark score: 1,138 points. Launch price was $851.

Intel

Core i5-2537M

The Core i5-2537M is manufactured by Intel. It was released in 1 February 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 4 threads. Base frequency is 1.4 GHz, with boost up to 2.3 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: BGA1023. Thermal design power (TDP): 17 Watt. Memory support: DDR3. Passmark benchmark score: 1,144 points. Launch price was $250.

Processing Power

The Core 2 Extreme X7800 packs 2 cores / 2 threads, matching the Core i5-2537M's 2 cores. Boost clocks reach 2.6 GHz on the Core 2 Extreme X7800 versus 2.3 GHz on the Core i5-2537M — a 12.2% clock advantage for the Core 2 Extreme X7800 (base: 2.6 GHz vs 1.4 GHz). The Core 2 Extreme X7800 uses the Merom XE (2007) architecture (65 nm), while the Core i5-2537M uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Core 2 Extreme X7800 scores 1,138 against the Core i5-2537M's 1,144 — a 0.5% lead for the Core i5-2537M. L3 cache: 4 MB L2 Cache on the Core 2 Extreme X7800 vs 3 MB (total) on the Core i5-2537M.

FeatureCore 2 Extreme X7800Core i5-2537M
Cores / Threads
2 / 2
2 / 4
Boost Clock
2.6 GHz+13%
2.3 GHz
Base Clock
2.6 GHz+86%
1.4 GHz
L3 Cache
4 MB L2 Cache+33%
3 MB (total)
L2 Cache
4 MB
256K (per core)+6300%
Process
65 nm
32 nm-51%
Architecture
Merom XE (2007)
Sandy Bridge (2011−2013)
PassMark
1,138
1,144
Geekbench 6 Single
427
Geekbench 6 Multi
717
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Memory & Platform

The Core 2 Extreme X7800 uses the PGA478 socket (PCIe 1.1), while the Core i5-2537M uses BGA1023 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-667 on the Core 2 Extreme X7800 versus 1333 on the Core i5-2537M — the Core i5-2537M supports 99.9% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-2537M supports up to 16 GB of RAM compared to 4 GB 300% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: Socket P (Core 2 Extreme X7800) and HM65,HM67,QM67,QS57,QS67,UM67 (Core i5-2537M).

FeatureCore 2 Extreme X7800Core i5-2537M
Socket
PGA478
BGA1023
PCIe Generation
PCIe 1.1
PCIe 2.0+82%
Max RAM Speed
DDR2-667
1333+100%
Max RAM Capacity
4 GB
16 GB+300%
RAM Channels
2
2
ECC Support
No
No
PCIe Lanes
16
16
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Advanced Features

Only the Core 2 Extreme X7800 has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x (Core 2 Extreme X7800) vs true (Core i5-2537M). The Core i5-2537M includes integrated graphics (Intel HD Graphics 3000), while the Core 2 Extreme X7800 requires a dedicated GPU. Direct competitor: Core i5-2537M rivals Core i5-2410M.

FeatureCore 2 Extreme X7800Core i5-2537M
Integrated GPU
No
Yes
IGPU Model
Intel HD Graphics 3000
Unlocked
Yes
No
AVX-512
No
No
Virtualization
VT-x
true