AMD Radeon Pro Vega II Duo vs AMD Radeon RX 6400

VS

AMD Radeon Pro Vega II Duo

AMD Radeon RX 6400

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro Vega II Duo 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 Vega II Duo 's Advantages

More VRAM (32GB vs 4GB)

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

3328 additional rendering cores

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)

Score

Benchmark

FP32 (float)

Radeon Pro Vega II Duo +295%

14.09 TFLOPS

Radeon RX 6400

3.565 TFLOPS

Blender

Radeon Pro Vega II Duo +145%

820

Radeon RX 6400

334

Radeon Pro Vega II Duo

VS

Radeon RX 6400

Graphics Card

Jun 2019

Release Date

Jan 2022

Radeon Pro Mac

Generation

Navi II

Desktop

Type

Desktop

Apple MPX

Bus Interface

PCIe 4.0 x4

Clock Speeds

1400 MHz

Base Clock

1923 MHz

1720 MHz

Boost Clock

2321 MHz

1000 MHz

Memory Clock

2000 MHz

Memory

32GB

Memory Size

4GB

HBM2

Memory Type

GDDR6

4096bit

Memory Bus

64bit

1020GB/s

Bandwidth

128.0GB/s

Render Config

64

Compute Units

12

-

4096

Shading Units

768

256

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

110.1 GPixel/s

Pixel Rate

74.27 GPixel/s

440.3 GTexel/s

Texture Rate

111.4 GTexel/s

28.18 TFLOPS

FP16 (half)

7.130 TFLOPS

14.09 TFLOPS

FP32 (float)

3.565 TFLOPS

7.045 TFLOPS

FP64 (double)

222.8 GFLOPS

Board Design

475W

TDP

53W

850 W

Suggested PSU

250 W

1x HDMI 2.0b 4x Thunderbolt

Outputs

1x HDMI 2.1 1x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

Vega 20

GPU Name

Navi 24

Vega 20 XT

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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