i9-14900HX vs Ryzen Threadripper PRO 3975WX

Primary details

Comparing Ryzen Threadripper PRO 3975WX and Core i9-14900HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	69	158
Place by popularity	not in top-100	not in top-100
Market segment	Server	Laptop
Series	AMD Ryzen Threadripper	Raptor Lake-HX
Power efficiency	13.29	49.40
Architecture codename	Matisse (2019−2020)	Raptor Lake-HX Refresh (2024)
Release date	14 July 2020 (4 years ago)	8 January 2024 (less than a year ago)

Detailed specifications

Ryzen Threadripper PRO 3975WX and Core i9-14900HX 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	32 (Dotriaconta-Core)	24 (Tetracosa-Core)
Threads	64	32
Base clock speed	3.5 GHz	2.2 GHz
Boost clock speed	4.2 GHz	5.7 GHz
Bus rate	no data	157 MHz
Multiplier	35	no data
L1 cache	64K (per core)	80 KB (per core)
L2 cache	512K (per core)	2 MB (per core)
L3 cache	128 MB	36 MB (shared)
Chip lithography	7 nm, 12 nm	Intel 7 nm
Die size	74 mm2	257 mm2
Maximum core temperature	95 °C	100 °C
Maximum case temperature (TCase)	95 °C	72 °C
Number of transistors	3,800 million	no data
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	+	+

Compatibility

Information on Ryzen Threadripper PRO 3975WX and Core i9-14900HX 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	FCBGA1964
Power consumption (TDP)	280 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen Threadripper PRO 3975WX and Core i9-14900HX. 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	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
FMA	-	+
AVX	+	+
Enhanced SpeedStep (EIST)	no data	+
Speed Shift	no data	+
Hyper-Threading Technology	no data	+
TSX	-	+
Thermal Monitoring	-	+
Flex Memory Access	no data	+
Turbo Boost Max 3.0	no data	+
Precision Boost 2	+	no data
Deep Learning Boost	-	+

Security technologies

Ryzen Threadripper PRO 3975WX and Core i9-14900HX technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen Threadripper PRO 3975WX and Core i9-14900HX 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 Ryzen Threadripper PRO 3975WX and Core i9-14900HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR4, DDR5
Maximum memory size	2 TiB	192 GB
Max memory channels	no data	2
Maximum memory bandwidth	204.8 GB/s	89.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	-	Intel UHD Graphics for 14th Gen Intel Processors
Quick Sync Video	-	+
Graphics max frequency	-	1.65 GHz
Execution Units	-	32

Graphics interfaces

Available interfaces and connections of Ryzen Threadripper PRO 3975WX and Core i9-14900HX integrated GPUs.

Number of displays supported

-

4

Graphics image quality

Maximum display resolutions supported by Ryzen Threadripper PRO 3975WX and Core i9-14900HX integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	-	4096 x 2160 @ 60Hz
Max resolution over eDP	-	5120 x 3200 @ 120Hz
Max resolution over DisplayPort	-	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Ryzen Threadripper PRO 3975WX and Core i9-14900HX integrated GPUs, sometimes API versions are included.

DirectX	-	12.1
OpenGL	-	4.6

Peripherals

Specifications and connection of peripherals supported by Ryzen Threadripper PRO 3975WX and Core i9-14900HX.

PCIe version	4.0	5.0 and 4.0
PCI Express lanes	128	16

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.

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Pros & cons summary

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Performance score	39.34	28.73
Recency	14 July 2020	8 January 2024
Physical cores	32	24
Threads	64	32
Power consumption (TDP)	280 Watt	55 Watt

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Should you still have questions on choice between Ryzen Threadripper PRO 3975WX and Core i9-14900HX, ask them in Comments section, and we shall answer.

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