AMD Radeon RX 550 vs NVIDIA RTX A400

VS

AMD Radeon RX 550

NVIDIA RTX A400

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

Main Differences

AMD Radeon RX 550 's Advantages

Larger VRAM bandwidth (112.0GB/s vs 96.00GB/s)

NVIDIA RTX A400 's Advantages

Released 7 years late

Boost Clock has increased by 49% (1762MHz vs 1183MHz)

More VRAM (4GB vs 2GB)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550

1.211 TFLOPS

RTX A400 +123%

2.706 TFLOPS

Radeon RX 550

VS

RTX A400

Graphics Card

Apr 2017

Release Date

Apr 2024

Polaris

Generation

Quadro Ampere

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x8

Clock Speeds

1100 MHz

Base Clock

727 MHz

1183 MHz

Boost Clock

1762 MHz

1750 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

64bit

112.0GB/s

Bandwidth

96.00GB/s

Render Config

8

Compute Units

-

SM Count

6

512

Shading Units

768

32

TMUs

24

16

ROPs

16

-

Tensor Cores

24

-

RT Cores

6

16 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

18.93 GPixel/s

Pixel Rate

28.19 GPixel/s

37.86 GTexel/s

Texture Rate

42.29 GTexel/s

1211 GFLOPS

FP16 (half)

2.706 TFLOPS

1211 GFLOPS

FP32 (float)

2.706 TFLOPS

75.71 GFLOPS

FP64 (double)

42.29 GFLOPS

Board Design

50W

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 Processor

Lexa

GPU Name

GA107

Lexa PRO (215-0904018)

GPU Variant

-

GCN 4.0

Architecture

Ampere

GlobalFoundries

Foundry

Samsung

14 nm

Process Size

8 nm

2.2 billion

Transistors

8.7 billion

103 mm²

Die Size

200 mm²

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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