Pentium D 820 vs Ryzen Threadripper PRO 5995WX

Primary details

Comparing Ryzen Threadripper PRO 5995WX and Pentium D 820 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking18not rated
Place by popularitynot in top-100not in top-100
Market segmentServerDesktop processor
SeriesAMD Ryzen ThreadripperPentium D
Power efficiency19.83no data
Architecture codenameChagall PRO (2022)Smithfield (2005)
Release date8 March 2022 (2 years ago)May 2005 (19 years ago)

Detailed specifications

Ryzen Threadripper PRO 5995WX and Pentium D 820 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 cores64 (Tetrahexaconta-Core)2 (Dual-core)
Threads1282
Base clock speed2.7 GHz2.8 GHz
Boost clock speed4.5 GHz2.8 GHz
Bus rateno data800 MHz
Multiplier27no data
L1 cache4 MB28 KB
L2 cache32 MB2 MB
L3 cache256 MB0 KB
Chip lithography7 nm90 nm
Die size8x 81 mm2206 mm2
Maximum core temperatureno data64 °C
Maximum case temperature (TCase)95 °Cno data
Number of transistors33,200 million169 million
64 bit support++
Windows 11 compatibility+-
VID voltage rangeno data1.2V-1.4V

Compatibility

Information on Ryzen Threadripper PRO 5995WX and Pentium D 820 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 configuration12
SocketWRX8PLGA775
Power consumption (TDP)280 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen Threadripper PRO 5995WX and Pentium D 820. You'll probably need this information if you require some particular technology.

AES-NI+-
AVX+-
Enhanced SpeedStep (EIST)no data-
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Idle Statesno data+
Demand Based Switchingno data-
PAEno data32 Bit
FSB parityno data-

Security technologies

Ryzen Threadripper PRO 5995WX and Pentium D 820 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen Threadripper PRO 5995WX and Pentium D 820 are enumerated here.

AMD-V+-
VT-dno data-
VT-xno data-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper PRO 5995WX and Pentium D 820. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR1, DDR2, DDR3
Maximum memory size2 TiBno data
Maximum memory bandwidth204.8 GB/sno data

Peripherals

Specifications and connection of peripherals supported by Ryzen Threadripper PRO 5995WX and Pentium D 820.

PCIe version4.0no data
PCI Express lanes128no 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.



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.

Ryzen Threadripper PRO 5995WX 93192
+18576%
Pentium D 820 499

Pros & cons summary


Physical cores 64 2
Threads 128 2
Chip lithography 7 nm 90 nm
Power consumption (TDP) 280 Watt 95 Watt

Ryzen Threadripper PRO 5995WX has 3100% more physical cores and 6300% more threads, and a 1185.7% more advanced lithography process.

Pentium D 820, on the other hand, has 194.7% lower power consumption.

We couldn't decide between Ryzen Threadripper PRO 5995WX and Pentium D 820. We've got no test results to judge.

Be aware that Ryzen Threadripper PRO 5995WX is a server/workstation processor while Pentium D 820 is a desktop one.


Should you still have questions on choice between Ryzen Threadripper PRO 5995WX and Pentium D 820, 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.


AMD Ryzen Threadripper PRO 5995WX
Ryzen Threadripper PRO 5995WX
Intel Pentium D 820
Pentium D 820

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.


3.1 1441 vote

Rate Ryzen Threadripper PRO 5995WX on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.1 171 vote

Rate Pentium D 820 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Ryzen Threadripper PRO 5995WX or Pentium D 820, agree or disagree with our judgements, or report an error or mismatch.