Ryzen Threadripper PRO 3955WX vs Phenom II X3 705e

VS

Aggregate performance score

Phenom II X3 705e
2009
3 cores / 3 threads, 65 Watt
0.77
Ryzen Threadripper PRO 3955WX
2020
16 cores / 32 threads, 280 Watt
25.35
+3192%

Ryzen Threadripper PRO 3955WX outperforms Phenom II X3 705e by a whopping 3192% based on our aggregate benchmark results.

Primary details

Comparing Phenom II X3 705e and Ryzen Threadripper PRO 3955WX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2632195
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.04no data
Market segmentDesktop processorServer
Seriesno dataAMD Ryzen Threadripper
Power efficiency1.128.57
Architecture codenameHeka (2009−2010)Matisse (2019−2020)
Release date2 June 2009 (15 years ago)14 July 2020 (4 years ago)
Launch price (MSRP)$152no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Phenom II X3 705e and Ryzen Threadripper PRO 3955WX 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 cores3 (Tri-Core)16 (Hexadeca-Core)
Threads332
Base clock speed2.5 GHz3.9 GHz
Boost clock speed2.5 GHz4.3 GHz
Multiplierno data39
L1 cache128 KB (per core)64K (per core)
L2 cache512 KB (per core)512K (per core)
L3 cache6 MB (shared)64 MB
Chip lithography45 nm7 nm, 12 nm
Die size258 mm274 mm2
Maximum case temperature (TCase)no data95 °C
Number of transistors758 million3,800 million
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Phenom II X3 705e and Ryzen Threadripper PRO 3955WX 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
SocketAM3TR4
Power consumption (TDP)65 Watt280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X3 705e and Ryzen Threadripper PRO 3955WX. You'll probably need this information if you require some particular technology.

AES-NI-+
AVX-+

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom II X3 705e and Ryzen Threadripper PRO 3955WX are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X3 705e and Ryzen Threadripper PRO 3955WX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4-3200
Maximum memory sizeno data2 TiB
Maximum memory bandwidthno data204.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)-

Peripherals

Specifications and connection of peripherals supported by Phenom II X3 705e and Ryzen Threadripper PRO 3955WX.

PCIe version2.04.0
PCI Express lanesno data128

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.

Phenom II X3 705e 0.77
Ryzen Threadripper PRO 3955WX 25.35
+3192%

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.

Phenom II X3 705e 1222
Ryzen Threadripper PRO 3955WX 40274
+3196%

Gaming performance

Pros & cons summary


Performance score 0.77 25.35
Recency 2 June 2009 14 July 2020
Physical cores 3 16
Threads 3 32
Chip lithography 45 nm 7 nm
Power consumption (TDP) 65 Watt 280 Watt

Phenom II X3 705e has 330.8% lower power consumption.

Ryzen Threadripper PRO 3955WX, on the other hand, has a 3192.2% higher aggregate performance score, an age advantage of 11 years, 433.3% more physical cores and 966.7% more threads, and a 542.9% more advanced lithography process.

The Ryzen Threadripper PRO 3955WX is our recommended choice as it beats the Phenom II X3 705e in performance tests.

Note that Phenom II X3 705e is a desktop processor while Ryzen Threadripper PRO 3955WX is a server/workstation one.


Should you still have questions on choice between Phenom II X3 705e and Ryzen Threadripper PRO 3955WX, ask them in Comments section, and we shall answer.

Vote for your favorite

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AMD Phenom II X3 705e
Phenom II X3 705e
AMD Ryzen Threadripper PRO 3955WX
Ryzen Threadripper PRO 3955WX

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Community ratings

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Questions & comments

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