NVIDIA GeForce RTX 4090 vs AMD Radeon 550X 640SP

VS

NVIDIA GeForce RTX 4090

AMD Radeon 550X 640SP

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 4GB VRAM Radeon 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 's Advantages

Released 4 years and 5 months late

Boost Clock has increased by 135% (2520MHz vs 1071MHz)

More VRAM (24GB vs 4GB)

Larger VRAM bandwidth (1.01TB/s vs 48.00GB/s)

15744 additional rendering cores

AMD Radeon 550X 640SP 's Advantages

Lower TDP (50W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 +5923%

82.58 TFLOPS

Radeon 550X 640SP

1.371 TFLOPS

GeForce RTX 4090

VS

Radeon 550X 640SP

Graphics Card

Sep 2022

Release Date

Apr 2018

GeForce 40

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

2235 MHz

Base Clock

1019 MHz

2520 MHz

Boost Clock

1071 MHz

1313 MHz

Memory Clock

1500 MHz

Memory

24GB

Memory Size

4GB

GDDR6X

Memory Type

GDDR5

384bit

Memory Bus

64bit

1.01TB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

10

128

SM Count

-

16384

Shading Units

640

512

TMUs

40

176

ROPs

16

512

Tensor Cores

-

128

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

72 MB

L2 Cache

256 KB

-

Theoretical Performance

443.5 GPixel/s

Pixel Rate

17.14 GPixel/s

1290 GTexel/s

Texture Rate

42.84 GTexel/s

82.58 TFLOPS

FP16 (half)

1371 GFLOPS

82.58 TFLOPS

FP32 (float)

1371 GFLOPS

1290 GFLOPS

FP64 (double)

85.68 GFLOPS

Board Design

450W

TDP

50W

850 W

Suggested PSU

250 W

1x HDMI 2.13x DisplayPort 1.4a

Outputs

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

1x 16-pin

Power Connectors

None

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

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

-

6.8

Shader Model

6.4

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