Intel Core i9-11900KB vs Intel Core i5-10400

Comparative analysis of Intel Core i9-11900KB and Intel Core i5-10400 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, GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

Intel Core i9-11900KB

Intel Core i5-10400

Differences

Reasons to consider the Intel Core i9-11900KB

2 more cores, run more applications at once: 8 vs 6
4 more threads: 16 vs 12
Around 14% higher clock speed: 4.90 GHz vs 4.30 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 10 nm SuperFin vs 14 nm
2x more L1 cache, more data can be stored in the L1 cache for quick access later
6.7x more L2 cache, more data can be stored in the L2 cache for quick access later
2x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 29% better performance in PassMark - Single thread mark: 3312 vs 2567
Around 89% better performance in PassMark - CPU mark: 22928 vs 12102
Around 63% better performance in 3DMark Fire Strike - Physics Score: 7684 vs 4726

Specifications (specs)
Number of cores	8 vs 6
Number of threads	16 vs 12
Maximum frequency	4.90 GHz vs 4.30 GHz
Manufacturing process technology	10 nm SuperFin vs 14 nm
L1 cache	768 KB vs 384 KB
L2 cache	10 MB vs 1.5 MB
L3 cache	24 MB vs 12 MB
Benchmarks
PassMark - Single thread mark	3312 vs 2567
PassMark - CPU mark	22928 vs 12102
3DMark Fire Strike - Physics Score	7684 vs 4726

Compare benchmarks

CPU 1: Intel Core i9-11900KB
CPU 2: Intel Core i5-10400

PassMark - Single thread mark

CPU 1

CPU 2

3312

2567

PassMark - CPU mark

CPU 1

CPU 2

22928

12102

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

7684

4726

Name	Intel Core i9-11900KB	Intel Core i5-10400
PassMark - Single thread mark	3312	2567
PassMark - CPU mark	22928	12102
3DMark Fire Strike - Physics Score	7684	4726
GFXBench 4.0 - Car Chase Offscreen (Frames)		1953
GFXBench 4.0 - Car Chase Offscreen (Fps)		1953
GFXBench 4.0 - Manhattan (Frames)		4164
GFXBench 4.0 - Manhattan (Fps)		4164
GFXBench 4.0 - T-Rex (Frames)		6744
GFXBench 4.0 - T-Rex (Fps)		6744

Compare specifications (specs)

	Intel Core i9-11900KB	Intel Core i5-10400
Essentials
Architecture codename	Tiger Lake	Comet Lake
Launch date	Q2'21	27 May 2020
Launch price (MSRP)	$539	$182
Place in performance rating	548	532
Processor Number	i9-11900KB	i5-10400
Series	11th Generation Intel Core i9 Processors	10th Generation Intel Core i5 Processors
Status	Launched	Launched
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.30 GHz	2.90 GHz
Bus Speed	8 GT/s	8 GT/s
L1 cache	768 KB	384 KB
L2 cache	10 MB	1.5 MB
L3 cache	24 MB	12 MB
Manufacturing process technology	10 nm SuperFin	14 nm
Maximum core temperature	100°C	100°C
Maximum frequency	4.90 GHz	4.30 GHz
Number of cores	8	6
Number of threads	16	12
Memory
Max memory channels	2	2
Maximum memory bandwidth	51.2 GB/s	41.6 GB/s
Maximum memory size	128 GB	128 GB
Supported memory types	Up to 3200 MT/s	DDR4-2666
Graphics
Execution Units	32
Graphics base frequency	350 MHz	350 MHz
Graphics max dynamic frequency	1.45 GHz	1.10 GHz
Intel® Quick Sync Video
Processor graphics	Intel UHD Graphics for 11th Gen Intel Processors	Intel UHD Graphics 630
Device ID		0x9BC8 / 0x9BC5
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Max video memory		64 GB
Graphics interfaces
Number of displays supported	4	3
Graphics image quality
4K resolution support
Max resolution over DisplayPort	7680x4320@60Hz	4096x2304@60Hz
Max resolution over eDP	4096 x 2304@60Hz	4096x2304@60Hz
Max resolution over HDMI 1.4		4096x2160@30Hz
Graphics API support
DirectX	12	12
OpenGL	4.6	4.5
Compatibility
Configurable TDP-down	55 Watt
Configurable TDP-up	65 Watt
Max number of CPUs in a configuration	1	1
Package Size	50mm x 26.5mm	37.5mm x 37.5mm
Sockets supported	FCBGA1787
Thermal Design Power (TDP)	65 Watt	65 Watt
Thermal Solution		PCG 2015C
Peripherals
Max number of PCIe lanes	20	16
PCIe configurations	Up to 1x16+1x4, 2x8+1x4, 1x8+3x4	Up to 1x16, 2x8, 1x8+2x4
PCI Express revision		3.0
Scalability		1S Only
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 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
Intel® Stable Image Platform Program (SIPP)
Intel® Thermal Velocity Boost
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)