Core 2 Quad Q9650 vs Core i5-2390T

Intel

Core 2 Quad Q9650

4 Cores4 Thrd95 WWMax: 3 GHz2008
Similar parts
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VS
Intel

Core i5-2390T

2 Cores4 Thrd35 WWMax: 3.5 GHz2011
Similar parts
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Core 2 Quad Q9650 vs Core i5-2390T 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 Quad Q9650 vs Core i5-2390T 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 Quad Q9650 vs Core i5-2390T: 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 Quad Q9650

2008

Why buy it

  • Better for gaming: +5.9% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

  • 171.4% higher power demand at 95W vs 35W.
  • No integrated graphics, while Core i5-2390T can still boot and troubleshoot without a discrete GPU.
  • No boxed cooler included, unlike Core i5-2390T.

Core i5-2390T

2011

Why buy it

  • Draws 35W instead of 95W, a 60W reduction.
  • 100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
  • Integrated graphics onboard with HD Graphics 2000, while Core 2 Quad Q9650 needs a discrete GPU.
  • Includes a boxed cooler (Yes), unlike Core 2 Quad Q9650.

Trade-offs

  • Worse for gaming: lower average FPS than Core 2 Quad Q9650 across 50 shared CPU benchmark tests.
  • Lower PassMark (2,491 vs 2,508).
  • Launch MSRP is still $182 MSRP, while Core 2 Quad Q9650 mostly shows up through inconsistent older-market listings.

Quick Answers

So, is Core 2 Quad Q9650 better than Core i5-2390T?
Yes. Core 2 Quad Q9650 is the better all-around CPU here. It gives you a 5.9% average FPS lead across 50 shared CPU game tests in our data and 0.7% better PassMark, which is enough to make it the stronger overall pick.
Which one is better for gaming?
If gaming is the priority, Core 2 Quad Q9650 is the better pick. According to our tests, it delivers 5.9% 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 2 Quad Q9650 is the stronger fit. You are getting 0.7% better PassMark, backed by 4 cores and 4 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core 2 Quad Q9650 is still the much better call for a fresh build. Core 2 Quad Q9650 comes in at an unclear MSRP at unclear MSRP versus $182 MSRP, and it still gives you a 5.9% average FPS lead across 50 shared CPU game tests in our data. Core i5-2390T only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2011 platform. Even with 100.0% better value on paper (13.7 vs 0.0 PassMark/$), 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 i5-2390T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2011 vs 2008). That makes it the safer long-term bet.

Core 2 Quad Q9650 vs Core i5-2390T Technical Specifications

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

Intel

Core 2 Quad Q9650

The Core 2 Quad Q9650 is manufactured by Intel. It was released in 2008-01-01. It is based on the Yorkfield (2007−2009) architecture. It features 4 cores and 4 threads. Base frequency is 3 GHz, with boost up to 3 GHz. L3 cache: 0 kB. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 95 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 2,508 points. Launch price was $249.

Intel

Core i5-2390T

The Core i5-2390T is manufactured by Intel. It was released in 20 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 2.7 GHz, with boost up to 3.5 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 2,491 points. Launch price was $100.

Processing Power

The Core 2 Quad Q9650 packs 4 cores / 4 threads, while the Core i5-2390T offers 2 cores / 4 threads — the Core 2 Quad Q9650 has 2 more cores. Boost clocks reach 3 GHz on the Core 2 Quad Q9650 versus 3.5 GHz on the Core i5-2390T — a 15.4% clock advantage for the Core i5-2390T (base: 3 GHz vs 2.7 GHz). The Core 2 Quad Q9650 uses the Yorkfield (2007−2009) architecture (45 nm), while the Core i5-2390T uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Core 2 Quad Q9650 scores 2,508 against the Core i5-2390T's 2,491 — a 0.7% lead for the Core 2 Quad Q9650. L3 cache: 0 kB on the Core 2 Quad Q9650 vs 3 MB (total) on the Core i5-2390T.

FeatureCore 2 Quad Q9650Core i5-2390T
Cores / Threads
4 / 4+100%
2 / 4
Boost Clock
3 GHz
3.5 GHz+17%
Base Clock
3 GHz+11%
2.7 GHz
L3 Cache
0 kB
3 MB (total)
L2 Cache
6 MB (total)+2300%
256 kB (per core)
Process
45 nm
32 nm-29%
Architecture
Yorkfield (2007−2009)
Sandy Bridge (2011−2013)
PassMark
2,508
2,491
Geekbench 6 Single
614
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Memory & Platform

The Core 2 Quad Q9650 uses the LGA775 socket (PCIe 1.1), while the Core i5-2390T uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard.

FeatureCore 2 Quad Q9650Core i5-2390T
Socket
LGA775
LGA1155
PCIe Generation
PCIe 1.1
PCIe 2.0+82%
Max RAM Speed
DDR3-1333
Max RAM Capacity
32 GB
RAM Channels
2
ECC Support
No
PCIe Lanes
16
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Advanced Features

Virtualization: not specified (Core 2 Quad Q9650) / VT-x, VT-d, EPT (Core i5-2390T). The Core i5-2390T includes integrated graphics (HD Graphics 2000), while the Core 2 Quad Q9650 requires a dedicated GPU. Primary use case: Core i5-2390T targets Legacy Low Power Desktop. Direct competitor: Core i5-2390T rivals A8-3800.

FeatureCore 2 Quad Q9650Core i5-2390T
Integrated GPU
Yes
IGPU Model
HD Graphics 2000
Unlocked
No
AVX-512
No
Virtualization
VT-x, VT-d, EPT
Target Use
Legacy Low Power Desktop