Ryzen Threadripper 2950X vs Core 2 Quad Q8400

Aggregate performance score

Core 2 Quad Q8400
2009
4 cores / 4 threads, 95 Watt
1.30
Ryzen Threadripper 2950X
2018
16 cores / 32 threads, 180 Watt
18.54
+1326%

Ryzen Threadripper 2950X outperforms Core 2 Quad Q8400 by a whopping 1326% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Quad Q8400 and Ryzen Threadripper 2950X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2266317
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data8.14
Market segmentDesktop processorDesktop processor
Seriesno dataAMD Ryzen Threadripper
Power efficiency1.309.75
Architecture codenameYorkfield (2007−2009)ZEN+ (2018−2019)
Release date19 April 2009 (15 years ago)13 August 2018 (6 years ago)
Launch price (MSRP)no data$899

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core 2 Quad Q8400 and Ryzen Threadripper 2950X 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)16 (Hexadeca-Core)
Threads432
Base clock speed2.66 GHz3.5 GHz
Boost clock speed0.67 GHz4.4 GHz
Bus rate1333 MHz4 × 8 GT/s
Multiplierno data35
L1 cache64 KB (per core)96K (per core)
L2 cache4 MB (shared)512K (per core)
L3 cache0 KB32 MB
Chip lithography45 nm12 nm
Die size2x 82 mm2213 mm2
Maximum case temperature (TCase)71 °Cno data
Number of transistors456 million19,200 million
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Quad Q8400 and Ryzen Threadripper 2950X 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 configuration11 (Uniprocessor)
SocketFCLGA775,LGA775Socket TR4
Power consumption (TDP)95 Watt180 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q8400 and Ryzen Threadripper 2950X. You'll probably need this information if you require some particular technology.

AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-
Demand Based Switching-no data
FSB parity-no data
Precision Boost 2no data+

Security technologies

Core 2 Quad Q8400 and Ryzen Threadripper 2950X technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad Q8400 and Ryzen Threadripper 2950X are enumerated here.

AMD-V-+
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q8400 and Ryzen Threadripper 2950X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR4 Quad-channel
Maximum memory sizeno data2 TiB
Max memory channelsno data4
Maximum memory bandwidthno data93.867 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)-

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q8400 and Ryzen Threadripper 2950X.

PCIe version2.0no 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.

Core 2 Quad Q8400 1.30
Ryzen Threadripper 2950X 18.54
+1326%

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.

Core 2 Quad Q8400 2067
Ryzen Threadripper 2950X 29456
+1325%

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.

Core 2 Quad Q8400 328
Ryzen Threadripper 2950X 1260
+284%

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.

Core 2 Quad Q8400 895
Ryzen Threadripper 2950X 8485
+848%

Gaming performance

Pros & cons summary


Performance score 1.30 18.54
Recency 19 April 2009 13 August 2018
Physical cores 4 16
Threads 4 32
Chip lithography 45 nm 12 nm
Power consumption (TDP) 95 Watt 180 Watt

Core 2 Quad Q8400 has 89.5% lower power consumption.

Ryzen Threadripper 2950X, on the other hand, has a 1326.2% higher aggregate performance score, an age advantage of 9 years, 300% more physical cores and 700% more threads, and a 275% more advanced lithography process.

The Ryzen Threadripper 2950X is our recommended choice as it beats the Core 2 Quad Q8400 in performance tests.


Should you still have questions on choice between Core 2 Quad Q8400 and Ryzen Threadripper 2950X, 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 2 Quad Q8400
Core 2 Quad Q8400
AMD Ryzen Threadripper 2950X
Ryzen Threadripper 2950X

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 1340 votes

Rate Core 2 Quad Q8400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.3 55 votes

Rate Ryzen Threadripper 2950X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core 2 Quad Q8400 or Ryzen Threadripper 2950X, agree or disagree with our judgements, or report an error or mismatch.