AMD Ryzen Threadripper 3990X vs Intel Core i5 8400T

VS

AMD Ryzen Threadripper 3990X Intel Core i5 8400T

We compared two desktop CPUs: AMD Ryzen Threadripper 3990X with 64 cores 2.9GHz and Intel Core i5 8400T with 6 cores 1.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen Threadripper 3990X 's Advantages

Released 1 years and 9 months late

Higher specification of memory (DDR4-3200 vs DDR4-2666)

Larger memory bandwidth (95.37GB/s vs 41.6GB/s)

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (2.9GHz vs 1.7GHz)

Larger L3 cache size (128MB vs 9MB)

Intel Core i5 8400T 's Advantages

Integrated graphics card

Lower TDP (35W vs 280W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen Threadripper 3990X +63%

1262

Intel Core i5 8400T

774

Cinebench R23 Multi Core

AMD Ryzen Threadripper 3990X +1980%

75671

Intel Core i5 8400T

3638

Geekbench 6 Single Core

AMD Ryzen Threadripper 3990X +1%

1138

Intel Core i5 8400T

1120

Geekbench 6 Multi Core

AMD Ryzen Threadripper 3990X +205%

11211

Intel Core i5 8400T

3670

Geekbench 5 Single Core

AMD Ryzen Threadripper 3990X +42%

1265

Intel Core i5 8400T

886

Geekbench 5 Multi Core

AMD Ryzen Threadripper 3990X +586%

27453

Intel Core i5 8400T

4000

Passmark CPU Single Core

AMD Ryzen Threadripper 3990X +33%

2564

Intel Core i5 8400T

1917

Passmark CPU Multi Core

AMD Ryzen Threadripper 3990X +978%

80316

Intel Core i5 8400T

7447

AMD Ryzen Threadripper 3990X

VS

Intel Core i5 8400T

General Parameters

Jan 2020

Release Date

Apr 2018

AMD

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen 2

Core Architecture

Coffee Lake

-

Processor Number

i5-8400T

sTRX4

Socket

LGA-1151

N/A

Integrated Graphics

UHD Graphics 630

Package

19.2 billions

Transistor Count

-

7 nm

Manufacturing Process

14 nm

sTRX4

Socket

LGA-1151

280 W

Power Consumption

35 W

95 °C

Peak Operating Temperature

100 °C

CPU Performance

64

Performance Cores

6

128

Performance Core Threads

6

2.9 GHz

Performance Core Base Frequency

1.7 GHz

4.3 GHz

Performance Core Turbo Frequency

3.3 GHz

64

Total Core Count

6

128

Total Thread Count

6

100 MHz

Bus Frequency

100 MHz

29x

Multiplier

17x

96 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

256 K per core

128 MB shared

L3 Cache

9 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR4-3200

Memory Types

DDR4-2666

256 GB

Max Memory Size

128 GB

4

Max Memory Channels

2

95.37 GB/s

Max Memory Bandwidth

41.6 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

350 MHz

-

GPU Max Dynamic Frequency

1050 MHz

-

Shader Units

192

-

Texture Units

24

-

Raster Operation Units

3

-

Execution Units

24

-

Power Consumption

15 W

-

Max Resolution

4096x2304 - 60 Hz

-

Graphics Performance

0.38 TFLOPS

Miscellaneous

AMD Ryzen Threadripper 3990X

Official Website

Intel Core i5 8400T

4.0

PCIe Version

3.0

64

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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