NVIDIA GeForce RTX 4090 vs AMD Radeon 550X

VS

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 2GB VRAM Radeon 550X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 's Advantages

Released 3 years and 6 months late

Boost Clock has increased by 107% (2520MHz vs 1218MHz)

More VRAM (24GB vs 2GB)

15872 additional rendering cores

AMD Radeon 550X 's Advantages

Larger VRAM bandwidth (112.0TB/s vs 1.01TB/s)

Lower TDP (50W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 +6522%

82.58 TFLOPS

Radeon 550X

1.247 TFLOPS

GeForce RTX 4090

VS

Radeon 550X

Graphics Card

Sep 2022

Release Date

Mar 2019

GeForce 40

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

2235 MHz

Base Clock

1082 MHz

2520 MHz

Boost Clock

1218 MHz

1313 MHz

Memory Clock

1750 MHz

Memory

24GB

Memory Size

2GB

GDDR6X

Memory Type

GDDR5

384bit

Memory Bus

128bit

1.01TB/s

Bandwidth

112.0GB/s

Render Config

128

SM Count

-

Compute Units

8

16384

Shading Units

512

TMUs

32

176

ROPs

16

512

Tensor Cores

-

128

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

72 MB

L2 Cache

512 KB

Theoretical Performance

443.5 GPixel/s

Pixel Rate

19.49 GPixel/s

1290 GTexel/s

Texture Rate

38.98 GTexel/s

82.58 TFLOPS

FP16 (half)

1247 GFLOPS

82.58 TFLOPS

FP32 (float)

1247 GFLOPS

1290 GFLOPS

FP64 (double)

77.95 GFLOPS

Graphics Processor

AD102

GPU Name

Lexa

AD102-300-A1

GPU Variant

Lexa PRO (215-0904018)

Ada Lovelace

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

5 nm

Process Size

14 nm

76.3 billion

Transistors

2.2 billion

609 mm²

Die Size

103 mm²

Board Design

450W

TDP

50W

850 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 16-pin

Power Connectors

None

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

8.9

CUDA

-

6.7

Shader Model

6.4

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