NVIDIA RTX A400 vs AMD Radeon RX 550X 640SP

VS

NVIDIA RTX A400

AMD Radeon RX 550X 640SP

We compared two Desktop platform GPUs: 4GB VRAM RTX A400 and 2GB VRAM Radeon RX 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A400 's Advantages

Released 6 years late

Boost Clock has increased by 65% (1762MHz vs 1071MHz)

More VRAM (4GB vs 2GB)

128 additional rendering cores

Lower TDP (50W vs 60W)

Score

Benchmark

FP32 (float)

RTX A400 +97%

2.706 TFLOPS

Radeon RX 550X 640SP

1.371 TFLOPS

RTX A400

VS

Radeon RX 550X 640SP

Graphics Card

Apr 2024

Release Date

Apr 2018

Quadro Ampere

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

727 MHz

Base Clock

1019 MHz

1762 MHz

Boost Clock

1071 MHz

1500 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

128bit

96.00GB/s

Bandwidth

96.00GB/s

Render Config

-

Compute Units

10

6

SM Count

-

768

Shading Units

640

24

TMUs

40

16

ROPs

16

24

Tensor Cores

-

6

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

1024 KB

-

Theoretical Performance

28.19 GPixel/s

Pixel Rate

17.14 GPixel/s

42.29 GTexel/s

Texture Rate

42.84 GTexel/s

2.706 TFLOPS

FP16 (half)

1371 GFLOPS

2.706 TFLOPS

FP32 (float)

1371 GFLOPS

42.29 GFLOPS

FP64 (double)

85.68 GFLOPS

Board Design

50W

TDP

60W

250 W

Suggested PSU

250 W

4x mini-DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

GA107

GPU Name

Baffin

-

GPU Variant

Baffin LE

Ampere

Architecture

GCN 4.0

Samsung

Foundry

GlobalFoundries

8 nm

Process Size

14 nm

8.7 billion

Transistors

3 billion

200 mm²

Die Size

123 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

8.6

CUDA

-

6.7

Shader Model

6.4

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