NVIDIA RTX A400 vs AMD Radeon RX 7900 XTX

VS

We compared two Desktop platform GPUs: 4GB VRAM RTX A400 and 24GB VRAM Radeon RX 7900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A400 's Advantages

Released 1 years and 5 months late

Lower TDP (50W vs 355W)

AMD Radeon RX 7900 XTX 's Advantages

Boost Clock has increased by 42% (2498MHz vs 1762MHz)

More VRAM (24GB vs 4GB)

Larger VRAM bandwidth (960.0GB/s vs 96.00GB/s)

5376 additional rendering cores

Score

Benchmark

FP32 (float)

RTX A400

2.706 TFLOPS

Radeon RX 7900 XTX +2168%

61.39 TFLOPS

RTX A400

VS

Radeon RX 7900 XTX

Graphics Card

Apr 2024

Release Date

Nov 2022

Quadro Ampere

Generation

Navi III

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

727 MHz

Base Clock

1929 MHz

1762 MHz

Boost Clock

2498 MHz

1500 MHz

Memory Clock

2500 MHz

Memory

4GB

Memory Size

24GB

GDDR6

Memory Type

GDDR6

64bit

Memory Bus

384bit

96.00GB/s

Bandwidth

960.0GB/s

Render Config

6

SM Count

-

Compute Units

96

768

Shading Units

6144

24

TMUs

384

16

ROPs

192

24

Tensor Cores

-

6

RT Cores

96

128 KB (per SM)

L1 Cache

256 KB per Array

2 MB

L2 Cache

6 MB

Theoretical Performance

28.19 GPixel/s

Pixel Rate

479.6 GPixel/s

42.29 GTexel/s

Texture Rate

959.2 GTexel/s

2.706 TFLOPS

FP16 (half)

122.8 TFLOPS

2.706 TFLOPS

FP32 (float)

61.39 TFLOPS

42.29 GFLOPS

FP64 (double)

1.918 TFLOPS

Graphics Processor

GA107

GPU Name

Navi 31

-

GPU Variant

Navi 31 XTX (215-145000146)

Ampere

Architecture

RDNA 3.0

Samsung

Foundry

TSMC

8 nm

Process Size

5 nm

8.7 billion

Transistors

57.7 billion

200 mm²

Die Size

529 mm²

Board Design

50W

TDP

355W

250 W

Suggested PSU

750 W

4x mini-DisplayPort 1.4a

Outputs

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

None

Power Connectors

2x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.2

1.3

Vulkan

1.3

8.6

CUDA

-

6.7

Shader Model

6.7

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