Intel Core i9-10940X vs AMD Ryzen 9 PRO 3900

Comparative analysis of Intel Core i9-10940X and AMD Ryzen 9 PRO 3900 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, PassMark - Single thread mark, PassMark - CPU mark, 3DMark Fire Strike - Physics Score.

Intel Core i9-10940X

AMD Ryzen 9 PRO 3900

Differences

Reasons to consider the Intel Core i9-10940X

2 more cores, run more applications at once: 14 vs 12
4 more threads: 28 vs 24
Around 7% higher clock speed: 4.60 GHz vs 4.3 GHz
Around 17% more L1 cache; more data can be stored in the L1 cache for quick access later
2.3x more L2 cache, more data can be stored in the L2 cache for quick access later
2x more maximum memory size: 256 GB vs 128 GB
Around 42% better performance in 3DMark Fire Strike - Physics Score: 11222 vs 7891

Specifications (specs)
Number of cores	14 vs 12
Number of threads	28 vs 24
Maximum frequency	4.60 GHz vs 4.3 GHz
L1 cache	896 KB vs 768 KB
L2 cache	14 MB vs 6 MB
Maximum memory size	256 GB vs 128 GB
Benchmarks
3DMark Fire Strike - Physics Score	11222 vs 7891

Reasons to consider the AMD Ryzen 9 PRO 3900

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 10% higher maximum core temperature: 95 °C vs 86°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 14 nm
3.3x more L3 cache, more data can be stored in the L3 cache for quick access later
2.5x lower typical power consumption: 65 Watt vs 165 Watt
Around 1% better performance in PassMark - Single thread mark: 2681 vs 2665
Around 13% better performance in PassMark - CPU mark: 31616 vs 27939

Specifications (specs)
Unlocked	Unlocked vs Locked
Maximum core temperature	95 °C vs 86°C
Manufacturing process technology	7 nm vs 14 nm
L3 cache	64 MB vs 19.25 MB
Thermal Design Power (TDP)	65 Watt vs 165 Watt
Benchmarks
PassMark - Single thread mark	2681 vs 2665
PassMark - CPU mark	31616 vs 27939

Compare benchmarks

CPU 1: Intel Core i9-10940X
CPU 2: AMD Ryzen 9 PRO 3900

PassMark - Single thread mark

CPU 1

CPU 2

2665

2681

PassMark - CPU mark

CPU 1

CPU 2

27939

31616

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

11222

7891

Name	Intel Core i9-10940X	AMD Ryzen 9 PRO 3900
Geekbench 4 - Single Core	1176
Geekbench 4 - Multi-Core	13529
PassMark - Single thread mark	2665	2681
PassMark - CPU mark	27939	31616
3DMark Fire Strike - Physics Score	11222	7891

Compare specifications (specs)

	Intel Core i9-10940X	AMD Ryzen 9 PRO 3900
Essentials
Architecture codename	Cascade Lake	Zen 2
Launch date	7 Oct 2019	30 Sep 2019
Launch price (MSRP)	$784
Place in performance rating	665	656
Processor Number	i9-10940X	PRO 3900
Series	Intel Core X-series Processors
Status	Launched
Vertical segment	Desktop	Desktop
Family		Ryzen 9
OPN Tray		100-000000072
Performance
Base frequency	3.30 GHz	3.1 GHz
L1 cache	896 KB	768 KB
L2 cache	14 MB	6 MB
L3 cache	19.25 MB	64 MB
Manufacturing process technology	14 nm	7 nm
Maximum core temperature	86°C	95 °C
Maximum frequency	4.60 GHz	4.3 GHz
Number of cores	14	12
Number of threads	28	24
Unlocked
Memory
Max memory channels	4	2
Maximum memory size	256 GB	128 GB
Supported memory types	DDR4-2933	DDR4-3200
Maximum memory bandwidth		47.68 GB/s
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	FCLGA2066	AM4
Thermal Design Power (TDP)	165 Watt	65 Watt
Thermal Solution	PCG 2017X
Peripherals
Max number of PCIe lanes	48	20
PCI Express revision	3.0	4.0
Scalability	1S Only
PCIe configurations		1x16+x4, 2x8+x4, 1x8+2x4+x4
Security & Reliability
Execute Disable Bit (EDB)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Instruction set extensions	Intel SSE4.1, Intel SSE4.2, Intel AVX2, Intel AVX-512
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Turbo Boost technology
Number of AVX-512 FMA Units	2
AMD SenseMI
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
AMD Virtualization (AMD-V™)