AMD Radeon RX 6400 vs AMD Radeon Pro Duo

VS

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

Main Differences

AMD Radeon RX 6400 's Advantages

Released 5 years and 9 months late

Boost Clock2321MHz

Lower TDP (53W vs 350W)

AMD Radeon Pro Duo 's Advantages

Larger VRAM bandwidth (512.0GB/s vs 128.0GB/s)

3328 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6400

3.565 TFLOPS

Radeon Pro Duo +129%

8.192 TFLOPS

Radeon RX 6400

VS

Radeon Pro Duo

Graphics Card

Jan 2022

Release Date

Apr 2016

Navi II

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 3.0 x16

Clock Speeds

1923 MHz

Base Clock

-

2321 MHz

Boost Clock

-

2000 MHz

Memory Clock

500 MHz

Memory

4GB

Memory Size

4GB

GDDR6

Memory Type

HBM

64bit

Memory Bus

4096bit

128.0GB/s

Bandwidth

512.0GB/s

Render Config

-

SM Count

-

12

Compute Units

64

768

Shading Units

4096

48

TMUs

256

32

ROPs

64

-

Tensor Cores

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

2 MB

Theoretical Performance

74.27 GPixel/s

Pixel Rate

64.00 GPixel/s

111.4 GTexel/s

Texture Rate

256.0 GTexel/s

7.130 TFLOPS

FP16 (half)

8.192 TFLOPS

3.565 TFLOPS

FP32 (float)

8.192 TFLOPS

222.8 GFLOPS

FP64 (double)

512.0 GFLOPS

Graphics Processor

Navi 24

GPU Name

Capsaicin

Navi 24 XL (215-135000046)

GPU Variant

Capsaicin XT

RDNA 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

5.4 billion

Transistors

8.9 billion

107 mm²

Die Size

596 mm²

Board Design

53W

TDP

350W

250 W

Suggested PSU

750 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

1x HDMI 1.4a 3x DisplayPort 1.2

None

Power Connectors

3x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.2

OpenCL

2.0

1.3

Vulkan

1.2

-

CUDA

-

6.6

Shader Model

6.0

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