Intel Core i5-8400T vs Intel Core i7-4771

Comparative analysis of Intel Core i5-8400T and Intel Core i7-4771 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, 3DMark Fire Strike - Physics Score, 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 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps).

Intel Core i5-8400T

Intel Core i7-4771

Differences

Reasons to consider the Intel Core i5-8400T

CPU is newer: launch date 4 year(s) 7 month(s) later
2 more cores, run more applications at once: 6 vs 4
Around 39% higher maximum core temperature: 100°C vs 72°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 13% more L3 cache; more data can be stored in the L3 cache for quick access later
4x more maximum memory size: 128 GB vs 32 GB
2.4x lower typical power consumption: 35 Watt vs 84 Watt
Around 4% better performance in PassMark - CPU mark: 7446 vs 7136
Around 9% better performance in Geekbench 4 - Multi-Core: 3657 vs 3362

Specifications (specs)
Launch date	April 2018 vs September 2013
Number of cores	6 vs 4
Maximum core temperature	100°C vs 72°C
Manufacturing process technology	14 nm vs 22 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 8192 KB (shared)
Maximum memory size	128 GB vs 32 GB
Thermal Design Power (TDP)	35 Watt vs 84 Watt
Benchmarks
PassMark - CPU mark	7446 vs 7136
Geekbench 4 - Multi-Core	3657 vs 3362

Reasons to consider the Intel Core i7-4771

2 more threads: 8 vs 6
Around 18% higher clock speed: 3.90 GHz vs 3.30 GHz
Around 14% better performance in PassMark - Single thread mark: 2194 vs 1920
Around 6% better performance in Geekbench 4 - Single Core: 910 vs 861

Specifications (specs)
Number of threads	8 vs 6
Maximum frequency	3.90 GHz vs 3.30 GHz
Benchmarks
PassMark - Single thread mark	2194 vs 1920
Geekbench 4 - Single Core	910 vs 861

Compare benchmarks

CPU 1: Intel Core i5-8400T
CPU 2: Intel Core i7-4771

PassMark - Single thread mark

CPU 1

CPU 2

1920

2194

PassMark - CPU mark

CPU 1

CPU 2

7446

7136

Geekbench 4 - Single Core

CPU 1

CPU 2

861

910

Geekbench 4 - Multi-Core

CPU 1

CPU 2

3657

3362

Name	Intel Core i5-8400T	Intel Core i7-4771
PassMark - Single thread mark	1920	2194
PassMark - CPU mark	7446	7136
Geekbench 4 - Single Core	861	910
Geekbench 4 - Multi-Core	3657	3362
3DMark Fire Strike - Physics Score		9282
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		5.085
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		83.74
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.621
CompuBench 1.5 Desktop - Video Composition (Frames/s)		2.496
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		6.25
GFXBench 4.0 - Car Chase Offscreen (Frames)		1159
GFXBench 4.0 - Manhattan (Frames)		2583
GFXBench 4.0 - Car Chase Offscreen (Fps)		1159
GFXBench 4.0 - Manhattan (Fps)		2583

Compare specifications (specs)

	Intel Core i5-8400T	Intel Core i7-4771
Essentials
Architecture codename	Coffee Lake	Haswell
Launch date	April 2018	September 2013
Place in performance rating	1586	1579
Price now	$179	$299.99
Processor Number	i5-8400T	i7-4771
Series	8th Generation Intel® Core™ i5 Processors	4th Generation Intel® Core™ i7 Processors
Status	Launched	Discontinued
Value for money (0-100)	15.83	9.70
Vertical segment	Desktop	Desktop
Launch price (MSRP)		$450
Performance
64 bit support
Base frequency	1.70 GHz	3.50 GHz
Bus Speed	8 GT/s DMI3	5 GT/s DMI2
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)	8192 KB (shared)
Manufacturing process technology	14 nm	22 nm
Maximum case temperature (TCase)	72 °C	72 °C
Maximum core temperature	100°C	72°C
Maximum frequency	3.30 GHz	3.90 GHz
Number of cores	6	4
Number of threads	6	8
Die size		177 mm
Transistor count		1400 million
Memory
Max memory channels	2	2
Maximum memory bandwidth	41.6 GB/s	25.6 GB/s
Maximum memory size	128 GB	32 GB
Supported memory types	DDR4-2666	DDR3-1333/1600, DDR3L-1333/1600 @ 1.5V
Graphics
Device ID	0x3E92	0x412
Graphics base frequency	350 MHz	350 MHz
Graphics max dynamic frequency	1.05 GHz	1.20 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory	64 GB	2 GB
Processor graphics	Intel® UHD Graphics 630	Intel® HD Graphics 4600
Graphics max frequency		1.2 GHz
Intel® Flexible Display Interface (Intel® FDI)
Graphics interfaces
Number of displays supported	3	3
DisplayPort
DVI
eDP
HDMI
VGA
Wireless Display (WiDi) support
Graphics image quality
4K resolution support
Max resolution over DisplayPort	4096x2304@60Hz	3840x2160@60Hz
Max resolution over eDP	4096x2304@60Hz	3840x2160@60Hz
Max resolution over HDMI 1.4	4096x2304@24Hz	4096x2304@24Hz
Max resolution over VGA		1920x1200@60Hz
Graphics API support
DirectX	12	11.2/12
OpenGL	4.5	4.3
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	FCLGA1150
Thermal Design Power (TDP)	35 Watt	84 Watt
Thermal Solution	PCG 2015A (35W)	PCG 2013D
Peripherals
Max number of PCIe lanes	16	16
PCI Express revision	3.0	Up to 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® 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
Anti-Theft technology
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® 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® My WiFi technology
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)