NVIDIA GeForce RTX 4090 Ti vs AMD Radeon 550X

VS

NVIDIA GeForce RTX 4090 Ti

AMD Radeon 550X

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 Ti 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 Ti 's Advantages

Boost Clock has increased by 111% (2565MHz vs 1218MHz)

More VRAM (24GB vs 2GB)

Larger VRAM bandwidth (1152GB/s vs 112.0GB/s)

17664 additional rendering cores

AMD Radeon 550X 's Advantages

Lower TDP (50W vs 600W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Ti +7377%

93.24 TFLOPS

Radeon 550X

1.247 TFLOPS

GeForce RTX 4090 Ti

VS

Radeon 550X

Graphics Card

Unknown

Release Date

Mar 2019

GeForce 40

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

2325 MHz

Base Clock

1082 MHz

2565 MHz

Boost Clock

1218 MHz

1500 MHz

Memory Clock

1750 MHz

Memory

24GB

Memory Size

2GB

GDDR6X

Memory Type

GDDR5

384bit

Memory Bus

128bit

1152GB/s

Bandwidth

112.0GB/s

Render Config

-

Compute Units

8

142

SM Count

-

18176

Shading Units

512

568

TMUs

32

192

ROPs

16

568

Tensor Cores

-

142

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

96 MB

L2 Cache

512 KB

-

Theoretical Performance

492.5 GPixel/s

Pixel Rate

19.49 GPixel/s

1457 GTexel/s

Texture Rate

38.98 GTexel/s

93.24 TFLOPS

FP16 (half)

1247 GFLOPS

93.24 TFLOPS

FP32 (float)

1247 GFLOPS

1457 GFLOPS

FP64 (double)

77.95 GFLOPS

Board Design

600W

TDP

50W

1000 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

2x 16-pin

Power Connectors

None

Graphics Processor

AD102

GPU Name

Lexa

AD102-400-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

-

6.7

Shader Model

6.4

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