Core 2 Quad Q9550 vs Core i5-7640X

Aggregate performance score

Core i5-7640X
2017
4 cores / 4 threads, 112 Watt
4.43
+201%
Core 2 Quad Q9550
2008
4 cores / 4 threads, 95 Watt
1.47

Core i5-7640X outperforms Core 2 Quad Q9550 by a whopping 201% based on our aggregate benchmark results.

Primary details

Comparing Core i5-7640X and Core 2 Quad (Desktop) Q9550 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking13382170
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.99no data
Market segmentDesktop processorDesktop processor
SeriesIntel Core i5Core 2 Quad (Desktop)
Power efficiency3.751.47
Architecture codenameKaby Lake-X (2017)Yorkfield (2007−2009)
Release date26 June 2017 (7 years ago)no data
Launch price (MSRP)$242no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-7640X and Core 2 Quad (Desktop) Q9550 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores4 (Quad-Core)4 (Quad-Core)
Threads44
Base clock speed4 GHzno data
Boost clock speed4.2 GHz2.83 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s1333 MHz
Multiplier40no data
L1 cache64K (per core)64K (per core)
L2 cache256K (per core)12288 KB
L3 cache6 MB (shared)0 KB
Chip lithography14 nm45 nm
Die sizeno data2x 107 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)72 °C71 °C
Number of transistorsno data820 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on Core i5-7640X and Core 2 Quad (Desktop) Q9550 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration1 (Uniprocessor)1
SocketFCLGA2066LGA775
Power consumption (TDP)112 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-7640X and Core 2 Quad (Desktop) Q9550. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2no data
AES-NI+-
AVX+-
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0no data
TSX+-

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-7640X and Core 2 Quad (Desktop) Q9550 are enumerated here.

VT-d+no data
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-7640X and Core 2 Quad (Desktop) Q9550. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR1,DDR2,DDR3
Maximum memory size64 GBno data
Max memory channels2no data
Maximum memory bandwidth42.671 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardHD 630no data

Peripherals

Specifications and connection of peripherals supported by Core i5-7640X and Core 2 Quad (Desktop) Q9550.

PCIe version3.0no data
PCI Express lanes16no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i5-7640X 4.43
+201%
Core 2 Quad Q9550 1.47

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i5-7640X 7036
+201%
Core 2 Quad Q9550 2338

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i5-7640X 1777
+380%
Core 2 Quad Q9550 370

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i5-7640X 5301
+411%
Core 2 Quad Q9550 1038

Gaming performance

Pros & cons summary


Performance score 4.43 1.47
Chip lithography 14 nm 45 nm
Power consumption (TDP) 112 Watt 95 Watt

i5-7640X has a 201.4% higher aggregate performance score, and a 221.4% more advanced lithography process.

Core 2 Quad Q9550, on the other hand, has 17.9% lower power consumption.

The Core i5-7640X is our recommended choice as it beats the Core 2 Quad Q9550 in performance tests.


Should you still have questions on choice between Core i5-7640X and Core 2 Quad Q9550, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i5-7640X
Core i5-7640X
Intel Core 2 Quad Q9550
Core 2 Quad Q9550

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4 37 votes

Rate Core i5-7640X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.1 1876 votes

Rate Core 2 Quad Q9550 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i5-7640X or Core 2 Quad Q9550, agree or disagree with our judgements, or report an error or mismatch.