Intel Core i9-11900KB vs AMD Ryzen Threadripper 3970X

Comparative analysis of Intel Core i9-11900KB and AMD Ryzen Threadripper 3970X processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, 3DMark Fire Strike - Physics Score, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Core i9-11900KB

AMD Ryzen Threadripper 3970X

Differences

Reasons to consider the Intel Core i9-11900KB

Around 9% higher clock speed: 4.90 GHz vs 4.5 GHz
Around 47% higher maximum core temperature: 100°C vs 68 °C
4.3x lower typical power consumption: 65 Watt vs 280 Watt
Around 24% better performance in PassMark - Single thread mark: 3304 vs 2667

Specifications (specs)
Maximum frequency	4.90 GHz vs 4.5 GHz
Maximum core temperature	100°C vs 68 °C
Thermal Design Power (TDP)	65 Watt vs 280 Watt
Benchmarks
PassMark - Single thread mark	3304 vs 2667

Reasons to consider the AMD Ryzen Threadripper 3970X

Processor is unlocked, an unlocked multiplier allows for easier overclocking
24 more cores, run more applications at once: 32 vs 8
48 more threads: 64 vs 16
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 10 nm SuperFin
2.7x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 60% more L2 cache; more data can be stored in the L2 cache for quick access later
5.3x more L3 cache, more data can be stored in the L3 cache for quick access later
4x more maximum memory size: 512 GB vs 128 GB
2.8x better performance in PassMark - CPU mark: 63277 vs 22901
2.2x better performance in 3DMark Fire Strike - Physics Score: 16764 vs 7658

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	32 vs 8
Number of threads	64 vs 16
Manufacturing process technology	7 nm vs 10 nm SuperFin
L1 cache	2 MB vs 768 KB
L2 cache	16 MB vs 10 MB
L3 cache	128 MB vs 24 MB
Maximum memory size	512 GB vs 128 GB
Benchmarks
PassMark - CPU mark	63277 vs 22901
3DMark Fire Strike - Physics Score	16764 vs 7658

Compare benchmarks

CPU 1: Intel Core i9-11900KB
CPU 2: AMD Ryzen Threadripper 3970X

PassMark - Single thread mark

CPU 1

CPU 2

3304

2667

PassMark - CPU mark

CPU 1

CPU 2

22901

63277

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

7658

16764

Name	Intel Core i9-11900KB	AMD Ryzen Threadripper 3970X
PassMark - Single thread mark	3304	2667
PassMark - CPU mark	22901	63277
3DMark Fire Strike - Physics Score	7658	16764
Geekbench 4 - Single Core		1264
Geekbench 4 - Multi-Core		22457

Compare specifications (specs)

	Intel Core i9-11900KB	AMD Ryzen Threadripper 3970X
Essentials
Architecture codename	Tiger Lake	Zen 2
Launch date	Q2'21	25 Nov 2019
Launch price (MSRP)	$539	$1999
Place in performance rating	585	242
Processor Number	i9-11900KB
Series	11th Generation Intel Core i9 Processors
Status	Launched
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.30 GHz	3.7 GHz
Bus Speed	8 GT/s
L1 cache	768 KB	2 MB
L2 cache	10 MB	16 MB
L3 cache	24 MB	128 MB
Manufacturing process technology	10 nm SuperFin	7 nm
Maximum core temperature	100°C	68 °C
Maximum frequency	4.90 GHz	4.5 GHz
Number of cores	8	32
Number of threads	16	64
Unlocked
Memory
Max memory channels	2	4
Maximum memory bandwidth	51.2 GB/s
Maximum memory size	128 GB	512 GB
Supported memory types	Up to 3200 MT/s	DDR4-3200
ECC memory support
Graphics
Execution Units	32
Graphics base frequency	350 MHz
Graphics max dynamic frequency	1.45 GHz
Intel® Quick Sync Video
Processor graphics	Intel UHD Graphics for 11th Gen Intel Processors
Graphics interfaces
Number of displays supported	4
Graphics image quality
4K resolution support
Max resolution over DisplayPort	7680x4320@60Hz
Max resolution over eDP	4096 x 2304@60Hz
Graphics API support
DirectX	12
OpenGL	4.6
Compatibility
Configurable TDP-down	55 Watt
Configurable TDP-up	65 Watt
Max number of CPUs in a configuration	1
Package Size	50mm x 26.5mm
Sockets supported	FCBGA1787	sTRX4
Thermal Design Power (TDP)	65 Watt	280 Watt
Peripherals
Max number of PCIe lanes	20	64
PCIe configurations	Up to 1x16+1x4, 2x8+1x4, 1x8+3x4
PCI Express revision		4.0
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Secure Boot
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel SSE4.1, Intel SSE4.2, Intel AVX2
Intel 64
Intel® AES New Instructions
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Speed Shift technology
Thermal Monitoring
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)
Intel® VT-x with Extended Page Tables (EPT)
AMD Virtualization (AMD-V™)