AMD Radeon RX 550 640SP vs NVIDIA RTX A400

VS

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 640SP and 4GB VRAM RTX A400 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 and 6 months 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)

Radeon RX 550 640SP

1.371 TFLOPS

RTX A400 +97%

2.706 TFLOPS

Radeon RX 550 640SP

VS

RTX A400

Graphics Card

Oct 2017

Release Date

Apr 2024

Polaris

Generation

Quadro Ampere

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x8

Clock Speeds

1019 MHz

Base Clock

727 MHz

1071 MHz

Boost Clock

1762 MHz

1500 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

96.00GB/s

Render Config

-

SM Count

6

10

Compute Units

-

640

Shading Units

768

40

TMUs

24

16

ROPs

16

-

Tensor Cores

24

-

RT Cores

6

16 KB (per CU)

L1 Cache

128 KB (per SM)

1024 KB

L2 Cache

2 MB

Theoretical Performance

17.14 GPixel/s

Pixel Rate

28.19 GPixel/s

42.84 GTexel/s

Texture Rate

42.29 GTexel/s

1371 GFLOPS

FP16 (half)

2.706 TFLOPS

1371 GFLOPS

FP32 (float)

2.706 TFLOPS

85.68 GFLOPS

FP64 (double)

42.29 GFLOPS

Graphics Processor

Baffin

GPU Name

GA107

Baffin LE

GPU Variant

-

GCN 4.0

Architecture

Ampere

GlobalFoundries

Foundry

Samsung

14 nm

Process Size

8 nm

3 billion

Transistors

8.7 billion

123 mm²

Die Size

200 mm²

Board Design

60W

TDP

50W

250 W

Suggested PSU

250 W

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

Outputs

4x mini-DisplayPort 1.4a

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.6

6.4

Shader Model

6.7

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