Intel Core i5-8400T vs Intel Pentium G6951

Comparative analysis of Intel Core i5-8400T and Intel Pentium G6951 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Core i5-8400T

Intel Pentium G6951

Differences

Reasons to consider the Intel Core i5-8400T

CPU is newer: launch date 7 year(s) 7 month(s) later
4 more cores, run more applications at once: 6 vs 2
4 more threads: 6 vs 2
Around 18% higher clock speed: 3.30 GHz vs 2.8 GHz
Around 38% higher maximum core temperature: 100°C vs 72.6°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 nm
3x more L1 cache, more data can be stored in the L1 cache for quick access later
3x more L2 cache, more data can be stored in the L2 cache for quick access later
3x more L3 cache, more data can be stored in the L3 cache for quick access later
7.8x more maximum memory size: 128 GB vs 16.38 GB
2.1x lower typical power consumption: 35 Watt vs 73 Watt
Around 64% better performance in PassMark - Single thread mark: 1920 vs 1173
5.4x better performance in PassMark - CPU mark: 7450 vs 1383
Around 13% better performance in Geekbench 4 - Multi-Core: 3657 vs 3231

Specifications (specs)
Launch date	April 2018 vs September 2010
Number of cores	6 vs 2
Number of threads	6 vs 2
Maximum frequency	3.30 GHz vs 2.8 GHz
Maximum core temperature	100°C vs 72.6°C
Manufacturing process technology	14 nm vs 32 nm
L1 cache	64 KB (per core) vs 64 KB (per core)
L2 cache	256 KB (per core) vs 256 KB (per core)
L3 cache	9216 KB (shared) vs 3072 KB (shared)
Maximum memory size	128 GB vs 16.38 GB
Thermal Design Power (TDP)	35 Watt vs 73 Watt
Benchmarks
PassMark - Single thread mark	1920 vs 1173
PassMark - CPU mark	7450 vs 1383
Geekbench 4 - Multi-Core	3657 vs 3231

Reasons to consider the Intel Pentium G6951

2.3x better performance in Geekbench 4 - Single Core: 1953 vs 861

Benchmarks
Geekbench 4 - Single Core	1953 vs 861

Compare benchmarks

CPU 1: Intel Core i5-8400T
CPU 2: Intel Pentium G6951

PassMark - Single thread mark

CPU 1

CPU 2

1920

1173

PassMark - CPU mark

CPU 1

CPU 2

7450

1383

Geekbench 4 - Single Core

CPU 1

CPU 2

861

1953

Geekbench 4 - Multi-Core

CPU 1

CPU 2

3657

3231

Name	Intel Core i5-8400T	Intel Pentium G6951
PassMark - Single thread mark	1920	1173
PassMark - CPU mark	7450	1383
Geekbench 4 - Single Core	861	1953
Geekbench 4 - Multi-Core	3657	3231

Compare specifications (specs)

	Intel Core i5-8400T	Intel Pentium G6951
Essentials
Architecture codename	Coffee Lake	Clarkdale
Launch date	April 2018	September 2010
Place in performance rating	1585	1590
Price now	$179	$94
Processor Number	i5-8400T	G6951
Series	8th Generation Intel® Core™ i5 Processors	Legacy Intel® Pentium® Processor
Status	Launched	Discontinued
Value for money (0-100)	15.83	6.70
Vertical segment	Desktop	Desktop
Launch price (MSRP)		$94
Performance
64 bit support
Base frequency	1.70 GHz	2.80 GHz
Bus Speed	8 GT/s DMI3	2.5 GT/s DMI
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	9216 KB (shared)	3072 KB (shared)
Manufacturing process technology	14 nm	32 nm
Maximum case temperature (TCase)	72 °C
Maximum core temperature	100°C	72.6°C
Maximum frequency	3.30 GHz	2.8 GHz
Number of cores	6	2
Number of threads	6	2
Die size		81 mm2
Transistor count		382 million
VID voltage range		0.6500V-1.4000V
Memory
Max memory channels	2	2
Maximum memory bandwidth	41.6 GB/s	17 GB/s
Maximum memory size	128 GB	16.38 GB
Supported memory types	DDR4-2666	DDR3 1066
Graphics
Device ID	0x3E92
Graphics base frequency	350 MHz	533 MHz
Graphics max dynamic frequency	1.05 GHz
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® UHD Graphics 630	Integrated
Intel® Flexible Display Interface (Intel® FDI)
Graphics interfaces
Number of displays supported	3	2
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
Graphics API support
DirectX	12
OpenGL	4.5
Compatibility
Configurable TDP-down	25 W
Configurable TDP-down Frequency	1.20 GHz
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm
Sockets supported	FCLGA1151	FCLGA1156
Thermal Design Power (TDP)	35 Watt	73 Watt
Thermal Solution	PCG 2015A (35W)
Peripherals
Max number of PCIe lanes	16	16
PCI Express revision	3.0	2.0
PCIe configurations	Up to 1x16, 2x8, 1x8+2x4	1x16, 2x8
Scalability	1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Memory Protection Extensions (Intel® MPX)
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® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Flexible Display interface (FDI)
Intel® Demand Based Switching
Physical Address Extensions (PAE)		36-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)