Xeon Silver 4314 vs i9-7940X

Place in performance ranking	381	309
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.34	no data
Market segment	Desktop processor	Server
Series	Intel Core i9	no data
Architecture codename	Skylake (server) (2017−2019)	Ice Lake-SP (2021)
Release date	30 May 2017 (7 years ago)	6 April 2021 (3 years ago)
Launch price (MSRP)	$1,399	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-7940X and Xeon Silver 4314 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	14 (Tetradeca-Core)	16 (Hexadeca-Core)
Threads	28	32
Base clock speed	3.1 GHz	2.4 GHz
Boost clock speed	4.4 GHz	3.4 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
L1 cache	896 KB	64K (per core)
L2 cache	14 MB	1 MB (per core)
L3 cache	19.25 MB (shared)	24 MB (shared)
Chip lithography	14 nm	10 nm
Die size	484 mm²	no data
Maximum core temperature	102 °C	no data
Maximum case temperature (TCase)	no data	86 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	+	-

Compatibility

Information on Core i9-7940X and Xeon Silver 4314 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 (Uniprocessor)	2
Socket	FCLGA2066	FCLGA4189
Power consumption (TDP)	165 Watt	135 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7940X and Xeon Silver 4314. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Turbo Boost Max 3.0	+	no data
Status	Discontinued	Launched
Deep Learning Boost	-	+

Security technologies

Core i9-7940X and Xeon Silver 4314 technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	+	+
SGX	no data	Yes with Intel® SPS

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-7940X and Xeon Silver 4314 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-7940X and Xeon Silver 4314. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4-2667
Maximum memory size	128 GB	6 TB
Max memory channels	4	8
Maximum memory bandwidth	85.33 GB/s	no data
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

no data

Peripherals

Specifications and connection of peripherals supported by Core i9-7940X and Xeon Silver 4314.

PCIe version	3.0	4.0
PCI Express lanes	44	64

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.

i9-7940X 16.83

Xeon Silver 4314 18.72
+11.2%

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.

i9-7940X 26029

Xeon Silver 4314 28954
+11.2%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i9-7940X 1461
+13.7%

Xeon Silver 4314 1285

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i9-7940X 10638
+15.1%

Xeon Silver 4314 9243

Gaming performance

Pros & cons summary

Performance score	16.83	18.72
Recency	30 May 2017	6 April 2021
Physical cores	14	16
Threads	28	32
Chip lithography	14 nm	10 nm
Power consumption (TDP)	165 Watt	135 Watt

Xeon Silver 4314 has a 11.2% higher aggregate performance score, an age advantage of 3 years, 14.3% more physical cores and 14.3% more threads, a 40% more advanced lithography process, and 22.2% lower power consumption.

The Xeon Silver 4314 is our recommended choice as it beats the Core i9-7940X in performance tests.

Note that Core i9-7940X is a desktop processor while Xeon Silver 4314 is a server/workstation one.

Should you still have questions on choice between Core i9-7940X and Xeon Silver 4314, ask them in Comments section, and we shall answer.