AMD Radeon RX 590 GME vs AMD Radeon RX 6400

VS

AMD Radeon RX 590 GME

AMD Radeon RX 6400

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 590 GME and 4GB VRAM Radeon RX 6400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 590 GME 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (256.0GB/s vs 128.0GB/s)

1536 additional rendering cores

AMD Radeon RX 6400 's Advantages

Released 1 years and 10 months late

Boost Clock has increased by 63% (2321MHz vs 1420MHz)

Lower TDP (53W vs 175W)

Score

Benchmark

FP32 (float)

Radeon RX 590 GME +83%

6.543 TFLOPS

Radeon RX 6400

3.565 TFLOPS

3DMark Time Spy

Radeon RX 590 GME +23%

4432

Radeon RX 6400

3579

Radeon RX 590 GME

VS

Radeon RX 6400

Graphics Card

Mar 2020

Release Date

Jan 2022

Polaris

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

1257 MHz

Base Clock

1923 MHz

1420 MHz

Boost Clock

2321 MHz

2000 MHz

Memory Clock

2000 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

64bit

256.0GB/s

Bandwidth

128.0GB/s

Render Config

36

Compute Units

12

-

2304

Shading Units

768

144

TMUs

48

32

ROPs

32

-

RT Cores

12

16 KB (per CU)

L1 Cache

128 KB per Array

2 MB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

45.44 GPixel/s

Pixel Rate

74.27 GPixel/s

204.5 GTexel/s

Texture Rate

111.4 GTexel/s

6.543 TFLOPS

FP16 (half)

7.130 TFLOPS

6.543 TFLOPS

FP32 (float)

3.565 TFLOPS

409.0 GFLOPS

FP64 (double)

222.8 GFLOPS

Board Design

175W

TDP

53W

450 W

Suggested PSU

250 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 1x DisplayPort 1.4a

1x 8-pin

Power Connectors

None

Graphics Processor

Polaris 20

GPU Name

Navi 24

Polaris 20 XTR (215-0910066)

GPU Variant

Navi 24 XL (215-135000046)

GCN 4.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

6 nm

5.7 billion

Transistors

5.4 billion

232 mm²

Die Size

107 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.3

Vulkan

1.3

-

6.7

Shader Model

6.7

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