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.

 

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: 1921 vs 1173
  • 5.4x better performance in PassMark - CPU mark: 7456 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 1921 vs 1173
PassMark - CPU mark 7456 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
1921
1173
PassMark - CPU mark
CPU 1
CPU 2
7456
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 1921 1173
PassMark - CPU mark 7456 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)