AMD Radeon Pro VII vs AMD Radeon RX 6400

VS

AMD Radeon Pro VII

AMD Radeon RX 6400

We compared two Desktop platform GPUs: 16GB VRAM Radeon Pro VII 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 Pro VII 's Advantages

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (1020GB/s vs 128.0GB/s)

3072 additional rendering cores

AMD Radeon RX 6400 's Advantages

Released 1 years and 8 months late

Boost Clock has increased by 37% (2321MHz vs 1700MHz)

Lower TDP (53W vs 250W)

Score

Benchmark

FP32 (float)

Radeon Pro VII +266%

13.06 TFLOPS

Radeon RX 6400

3.565 TFLOPS

Blender

Radeon Pro VII +900%

3343

Radeon RX 6400

334

Radeon Pro VII

VS

Radeon RX 6400

Graphics Card

May 2020

Release Date

Jan 2022

Radeon Pro Vega

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

1400 MHz

Base Clock

1923 MHz

1700 MHz

Boost Clock

2321 MHz

1000 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

4GB

HBM2

Memory Type

GDDR6

4096bit

Memory Bus

64bit

1020GB/s

Bandwidth

128.0GB/s

Render Config

60

Compute Units

12

-

3840

Shading Units

768

240

TMUs

48

64

ROPs

32

-

RT Cores

12

16 KB (per CU)

L1 Cache

128 KB per Array

4 MB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

108.8 GPixel/s

Pixel Rate

74.27 GPixel/s

408.0 GTexel/s

Texture Rate

111.4 GTexel/s

26.11 TFLOPS

FP16 (half)

7.130 TFLOPS

13.06 TFLOPS

FP32 (float)

3.565 TFLOPS

6.528 TFLOPS

FP64 (double)

222.8 GFLOPS

Board Design

250W

TDP

53W

600 W

Suggested PSU

250 W

6x mini-DisplayPort 1.4a

Outputs

1x HDMI 2.1 1x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Vega 20

GPU Name

Navi 24

Vega 20 GLXT WS (215-0914026)

GPU Variant

Navi 24 XL (215-135000046)

GCN 5.1

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

6 nm

13.23 billion

Transistors

5.4 billion

331 mm²

Die Size

107 mm²

Graphics Features

12 (12_1)

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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