AMD Radeon RX 6400 vs AMD Radeon Pro VII

VS

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 16GB VRAM Radeon Pro VII to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

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)

AMD Radeon Pro VII 's Advantages

More VRAM (16GB vs 4GB)

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

3072 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6400

3.565 TFLOPS

Radeon Pro VII +266%

13.06 TFLOPS

Blender

Radeon RX 6400

325

Radeon Pro VII +928%

3343

Radeon RX 6400

VS

Radeon Pro VII

Graphics Card

Jan 2022

Release Date

May 2020

Navi II

Generation

Radeon Pro Vega

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 4.0 x16

Clock Speeds

1923 MHz

Base Clock

1400 MHz

2321 MHz

Boost Clock

1700 MHz

2000 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

16GB

GDDR6

Memory Type

HBM2

64bit

Memory Bus

4096bit

128.0GB/s

Bandwidth

1020GB/s

Render Config

-

SM Count

-

12

Compute Units

60

768

Shading Units

3840

48

TMUs

240

32

ROPs

64

-

Tensor Cores

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

4 MB

Theoretical Performance

74.27 GPixel/s

Pixel Rate

108.8 GPixel/s

111.4 GTexel/s

Texture Rate

408.0 GTexel/s

7.130 TFLOPS

FP16 (half)

26.11 TFLOPS

3.565 TFLOPS

FP32 (float)

13.06 TFLOPS

222.8 GFLOPS

FP64 (double)

6.528 TFLOPS

Graphics Processor

Navi 24

GPU Name

Vega 20

Navi 24 XL (215-135000046)

GPU Variant

Vega 20 GLXT WS (215-0914026)

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

Board Design

53W

TDP

250W

250 W

Suggested PSU

600 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

6x mini-DisplayPort 1.4a

None

Power Connectors

1x 6-pin + 1x 8-pin

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

-

CUDA

-

6.6

Shader Model

6.7

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