Ryzen Threadripper PRO 3955WX vs Core i7-4790K

Primary details

Comparing Core i7-4790K and Ryzen Threadripper PRO 3955WX processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1130	168
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.33	23.29
Market segment	Desktop processor	Server
Series	Core i7 (Desktop)	AMD Ryzen Threadripper
Architecture codename	Devil's Canyon	Matisse (2019−2020)
Release date	June 2014 (10 years ago)	14 July 2020 (3 years ago)
Launch price (MSRP)	$339	no data
Current price	$151 (0.4x MSRP)	$924

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen Threadripper PRO 3955WX has 900% better value for money than i7-4790K.

Detailed specifications

Core i7-4790K 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 cores	4 (Quad-Core)	16 (Hexadeca-Core)
Threads	8	32
Base clock speed	4 GHz	3.9 GHz
Boost clock speed	4.4 GHz	4.3 GHz
L1 cache	64K (per core)	64K (per core)
L2 cache	256K (per core)	512K (per core)
L3 cache	8 MB (shared)	64 MB
Chip lithography	22 nm	7 nm, 12 nm
Die size	177 mm2	74 mm2
Maximum core temperature	74 °C	no data
Maximum case temperature (TCase)	72 °C	95 °C
Number of transistors	1,400 million	3,800 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	Yes	Yes

Compatibility

Information on Core i7-4790K 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 configuration	1	1
Socket	FCLGA1150	TR4
Power consumption (TDP)	88 Watt	280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-4790K and Ryzen Threadripper PRO 3955WX. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	no data
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
My WiFi	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	-	no data
Idle States	+	no data
Thermal Monitoring	+	no data
SIPP	-	no data
FDI	+	no data
Status	Discontinued	no data

Security technologies

Core i7-4790K and Ryzen Threadripper PRO 3955WX technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Secure Key	+	no data
Identity Protection	+	no data
OS Guard	+	no data
Anti-Theft	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-4790K and Ryzen Threadripper PRO 3955WX are enumerated here.

AMD-V	+	+
VT-d	+	no data
VT-x	+	no data
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-4790K and Ryzen Threadripper PRO 3955WX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4-3200
Maximum memory size	32 GB	2 TiB
Max memory channels	2	no data
Maximum memory bandwidth	25.6 GB/s	204.8 GB/s
ECC memory support	-	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 4600	-
Max video memory	2 GB	-
Quick Sync Video	+	-
Clear Video HD	+	-
Graphics max frequency	1.25 GHz	-
Execution Units	20	-
InTru 3D	+	-

Graphics interfaces

Available interfaces and connections of Core i7-4790K and Ryzen Threadripper PRO 3955WX integrated GPUs.

Number of displays supported	3	-
eDP	+	-
DisplayPort	+	-
HDMI	+	-
DVI	+	-
VGA	+	-

Graphics image quality

Maximum display resolutions supported by Core i7-4790K and Ryzen Threadripper PRO 3955WX integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	3840x2160@24Hz	-
Max resolution over eDP	3840x2160@60Hz	-
Max resolution over DisplayPort	3840x2160@60Hz	-
Max resolution over VGA	1920x1200@60Hz	-

Graphics API support

APIs supported by Core i7-4790K and Ryzen Threadripper PRO 3955WX integrated GPUs, sometimes API versions are included.

DirectX	11.2/12	-
OpenGL	4.3	-

Peripherals

Specifications and connection of peripherals supported by Core i7-4790K and Ryzen Threadripper PRO 3955WX.

PCIe version	3.0	4.0
PCI Express lanes	16	128

Synthetic benchmark performance

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

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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.

Ryzen Threadripper PRO 3955WX outperforms Core i7-4790K by 400% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	5.22	26.09
Recency	on June 2014	14 July 2020
Physical cores	4	16
Threads	8	32
Chip lithography	22 nm	7 nm
Power consumption (TDP)	88 Watt	280 Watt

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Should you still have questions on choice between Core i7-4790K and Ryzen Threadripper PRO 3955WX, ask them in Comments section, and we shall answer.

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