NVIDIA A30 PCIe vs AMD Radeon RX 6400

VS

NVIDIA A30 PCIe

AMD Radeon RX 6400

We compared two Desktop platform GPUs: 24GB VRAM A30 PCIe and 4GB VRAM Radeon RX 6400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A30 PCIe 's Advantages

More VRAM (24GB vs 4GB)

Larger VRAM bandwidth (933.1GB/s vs 128.0GB/s)

2816 additional rendering cores

AMD Radeon RX 6400 's Advantages

Released 9 months late

Boost Clock has increased by 61% (2321MHz vs 1440MHz)

Lower TDP (53W vs 165W)

Score

Benchmark

FP32 (float)

A30 PCIe +189%

10.32 TFLOPS

Radeon RX 6400

3.565 TFLOPS

Blender

A30 PCIe +509%

2036

Radeon RX 6400

334

A30 PCIe

VS

Radeon RX 6400

Graphics Card

Apr 2021

Release Date

Jan 2022

Tesla Ampere

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

930 MHz

Base Clock

1923 MHz

1440 MHz

Boost Clock

2321 MHz

1215 MHz

Memory Clock

2000 MHz

Memory

24GB

Memory Size

4GB

HBM2e

Memory Type

GDDR6

3072bit

Memory Bus

64bit

933.1GB/s

Bandwidth

128.0GB/s

Render Config

-

Compute Units

12

56

SM Count

-

3584

Shading Units

768

224

TMUs

48

96

ROPs

32

224

Tensor Cores

-

RT Cores

12

192 KB (per SM)

L1 Cache

128 KB per Array

24 MB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

138.2 GPixel/s

Pixel Rate

74.27 GPixel/s

322.6 GTexel/s

Texture Rate

111.4 GTexel/s

10.32 TFLOPS

FP16 (half)

7.130 TFLOPS

10.32 TFLOPS

FP32 (float)

3.565 TFLOPS

5.161 TFLOPS

FP64 (double)

222.8 GFLOPS

Board Design

165W

TDP

53W

450 W

Suggested PSU

250 W

No outputs

Outputs

1x HDMI 2.1 1x DisplayPort 1.4a

8-pin EPS

Power Connectors

None

Graphics Processor

GA100

GPU Name

Navi 24

-

GPU Variant

Navi 24 XL (215-135000046)

Ampere

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

6 nm

54.2 billion

Transistors

5.4 billion

826 mm²

Die Size

107 mm²

Graphics Features

N/A

DirectX

12 Ultimate (12_2)

N/A

OpenGL

4.6

3.0

OpenCL

2.2

N/A

Vulkan

1.3

8.0

CUDA

-

N/A

Shader Model

6.7

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