Intel Core i5-10400F vs Intel Core i5-6400

Comparative analysis of Intel Core i5-10400F and Intel Core i5-6400 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics, Graphics interfaces, Graphics image quality, Graphics API support. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, 3DMark Fire Strike - Physics Score, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

Intel Core i5-10400F

Intel Core i5-6400

Differences

Reasons to consider the Intel Core i5-10400F

2 more cores, run more applications at once: 6 vs 4
8 more threads: 12 vs 4
Around 30% higher clock speed: 4.30 GHz vs 3.30 GHz
Around 41% higher maximum core temperature: 100°C vs 71°C
2x more L3 cache, more data can be stored in the L3 cache for quick access later
2x more maximum memory size: 128 GB vs 64 GB
Around 30% better performance in PassMark - Single thread mark: 2546 vs 1955
2.4x better performance in PassMark - CPU mark: 12198 vs 5163
Around 63% better performance in 3DMark Fire Strike - Physics Score: 4755 vs 2922

Specifications (specs)
Number of cores	6 vs 4
Number of threads	12 vs 4
Maximum frequency	4.30 GHz vs 3.30 GHz
Maximum core temperature	100°C vs 71°C
L3 cache	12 MB vs 6144 KB (shared)
Maximum memory size	128 GB vs 64 GB
Benchmarks
PassMark - Single thread mark	2546 vs 1955
PassMark - CPU mark	12198 vs 5163
3DMark Fire Strike - Physics Score	4755 vs 2922

Compare benchmarks

CPU 1: Intel Core i5-10400F
CPU 2: Intel Core i5-6400

PassMark - Single thread mark

CPU 1

CPU 2

2546

1955

PassMark - CPU mark

CPU 1

CPU 2

12198

5163

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

4755

2922

Name	Intel Core i5-10400F	Intel Core i5-6400
PassMark - Single thread mark	2546	1955
PassMark - CPU mark	12198	5163
3DMark Fire Strike - Physics Score	4755	2922
Geekbench 4 - Single Core		831
Geekbench 4 - Multi-Core		2685
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		3.265
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		69.471
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.41
CompuBench 1.5 Desktop - Video Composition (Frames/s)		2.013
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		5.356
GFXBench 4.0 - Car Chase Offscreen (Frames)		1336
GFXBench 4.0 - Manhattan (Frames)		2278
GFXBench 4.0 - T-Rex (Frames)		4275
GFXBench 4.0 - Car Chase Offscreen (Fps)		1336
GFXBench 4.0 - Manhattan (Fps)		2278
GFXBench 4.0 - T-Rex (Fps)		4275

Compare specifications (specs)

	Intel Core i5-10400F	Intel Core i5-6400
Essentials
Architecture codename	Comet Lake	Skylake
Launch date	Q2'20	July 2015
Launch price (MSRP)	$155 - $157	$185
Place in performance rating	1058	1671
Processor Number	i5-10400F	i5-6400
Series	10th Generation Intel Core i5 Processors	6th Generation Intel® Core™ i5 Processors
Status	Launched	Launched
Vertical segment	Desktop	Desktop
Price now		$199
Value for money (0-100)		10.01
Performance
64 bit support
Base frequency	2.90 GHz	2.70 GHz
Bus Speed	8 GT/s	8 GT/s DMI3
L3 cache	12 MB	6144 KB (shared)
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	100°C	71°C
Maximum frequency	4.30 GHz	3.30 GHz
Number of cores	6	4
Number of threads	12	4
Die size		177 mm
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
Maximum case temperature (TCase)		72 °C
Memory
Max memory channels	2	2
Maximum memory bandwidth	41.6 GB/s	34.1 GB/s
Maximum memory size	128 GB	64 GB
Supported memory types	DDR4-2666	DDR4-1866/2133, DDR3L-1333/1600 @ 1.35V
Compatibility
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm
Sockets supported	FCLGA1200	FCLGA1151
Thermal Design Power (TDP)	65 Watt	65 Watt
Thermal Solution	PCG 2015C	PCG 2015C (65W)
Low Halogen Options Available
Peripherals
Max number of PCIe lanes	16	16
PCI Express revision	3.0	3.0
PCIe configurations	Up to 1x16, 2x8, 1x8+2x4	Up to 1x16, 2x8, 1x8+2x4
Scalability	1S Only	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
Intel® Memory Protection Extensions (Intel® MPX)
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® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Stable Image Platform Program (SIPP)
Intel® Thermal Velocity Boost
Intel® Turbo Boost technology
Thermal Monitoring
Intel® Advanced Vector Extensions (AVX)
Intel® TSX-NI
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)
Graphics
Device ID		0x1912
Graphics base frequency		350 MHz
Graphics max dynamic frequency		950 MHz
Graphics max frequency		950 MHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory		64 GB
Processor graphics		Intel® HD Graphics 530
Graphics interfaces
DisplayPort
DVI
eDP
HDMI
Number of displays supported		3
Wireless Display (WiDi) support
Graphics image quality
4K resolution support
Max resolution over DisplayPort		4096x2304@60Hz
Max resolution over eDP		4096x2304@60Hz
Max resolution over HDMI 1.4		4096x2304@24Hz
Max resolution over VGA		N / A
Max resolution over WiDi		1080p
Graphics API support
DirectX		12
OpenGL		4.5