AMD Radeon RX 6400 vs AMD Radeon Pro Vega II

VS

AMD Radeon RX 6400

AMD Radeon Pro Vega II

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 32GB VRAM Radeon Pro Vega II to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6400 's Advantages

Released 2 years and 7 months late

Boost Clock has increased by 35% (2321MHz vs 1720MHz)

Lower TDP (53W vs 475W)

AMD Radeon Pro Vega II 's Advantages

More VRAM (32GB vs 4GB)

Larger VRAM bandwidth (825.3GB/s vs 128.0GB/s)

3328 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6400

3.565 TFLOPS

Radeon Pro Vega II +295%

14.09 TFLOPS

Blender

Radeon RX 6400

334

Radeon Pro Vega II +149%

832

Radeon RX 6400

VS

Radeon Pro Vega II

Graphics Card

Jan 2022

Release Date

Jun 2019

Navi II

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

Apple MPX

Clock Speeds

1923 MHz

Base Clock

1574 MHz

2321 MHz

Boost Clock

1720 MHz

2000 MHz

Memory Clock

806 MHz

Memory

4GB

Memory Size

32GB

GDDR6

Memory Type

HBM2

64bit

Memory Bus

4096bit

128.0GB/s

Bandwidth

825.3GB/s

Render Config

12

Compute Units

64

-

768

Shading Units

4096

48

TMUs

256

32

ROPs

64

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

4 MB

16 MB

L3 Cache

-

Theoretical Performance

74.27 GPixel/s

Pixel Rate

110.1 GPixel/s

111.4 GTexel/s

Texture Rate

440.3 GTexel/s

7.130 TFLOPS

FP16 (half)

28.18 TFLOPS

3.565 TFLOPS

FP32 (float)

14.09 TFLOPS

222.8 GFLOPS

FP64 (double)

7.045 TFLOPS

Board Design

53W

TDP

475W

250 W

Suggested PSU

850 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

1x HDMI 2.0b 4x Thunderbolt

None

Power Connectors

None

Graphics Processor

Navi 24

GPU Name

Vega 20

Navi 24 XL (215-135000046)

GPU Variant

Vega 20 XT

RDNA 2.0

Architecture

GCN 5.1

TSMC

Foundry

TSMC

6 nm

Process Size

7 nm

5.4 billion

Transistors

13.23 billion

107 mm²

Die Size

331 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.3

-

6.7

Shader Model

6.7

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