FX-770K vs Ryzen Threadripper PRO 3995WX

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	61	2230
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	6.80	no data
Market segment	Server	Desktop processor
Series	AMD Ryzen Threadripper	no data
Power efficiency	7.15	1.18
Designer	AMD	AMD
Manufacturer	TSMC	GlobalFoundries
Architecture codename	Matisse (2019−2020)	Kaveri (2014−2015)
Release date	14 July 2020 (5 years ago)	December 2014 (11 years ago)
Launch price (MSRP)	$5,500	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Performance to price scatter graph

Detailed specifications

Ryzen Threadripper PRO 3995WX and FX-770K 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 cores	64 (Tetrahexaconta-Core)	4 (Quad-Core)
Threads	128	4
Base clock speed	2.7 GHz	3.5 GHz
Boost clock speed	4.2 GHz	3.9 GHz
Multiplier	27	no data
L1 cache	64K (per core)	256K
L2 cache	512K (per core)	4 MB
L3 cache	256 MB	no data
Chip lithography	7 nm, 12 nm	28 nm
Die size	74 mm2	245 mm2
Maximum core temperature	95 °C	no data
Maximum case temperature (TCase)	95 °C	72 °C
Number of transistors	3,800 million	2,411 million
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	+	+

Compatibility

Information on Ryzen Threadripper PRO 3995WX and FX-770K 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 configuration	1	1
Socket	sWRX8	FM2+
Power consumption (TDP)	280 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen Threadripper PRO 3995WX and FX-770K. You'll probably need this information if you require some particular technology.

Instruction set extensions	MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AES, AVX, AVX2, BMI1, BMI2, SHA, F16C, FMA3, AMD64, EVP, AMD-V, SMAP, SMEP, SMT, Precision Boost 2, XFR 2	no data
AES-NI	+	+
FMA	-	+
AVX	+	+
Precision Boost 2	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen Threadripper PRO 3995WX and FX-770K are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper PRO 3995WX and FX-770K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR3-2133
Maximum memory size	2 TiB	no data
Maximum memory bandwidth	204.8 GB/s	no data

Peripherals

Specifications and connection of peripherals supported by Ryzen Threadripper PRO 3995WX and FX-770K.

PCIe version	4.0	3.0
PCI Express lanes	128	16

Synthetic benchmarks

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.

---

Pros & cons summary

---

Performance score	47.41	1.81
Physical cores	64	4
Threads	128	4
Chip lithography	7 nm	28 nm
Power consumption (TDP)	280 Watt	65 Watt

Vote for your favorite

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

---