NVIDIA GeForce RTX 4090 vs ATI Radeon X1550

VS

NVIDIA GeForce RTX 4090 ATI Radeon X1550

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 256MB VRAM Radeon X1550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090's Advantages

Released 15 years and 8 months late

Boost Clock 2520MHz

Larger VRAM bandwidth (1008GB/s vs 12.80GB/s)

16384 additional rendering cores

ATI Radeon X1550's Advantages

Lower TDP (27W vs 450W)

Score

GeForce RTX 4090

VS

Radeon X1550

Graphics Card

Sep 2022

Release Date

Jan 2007

GeForce 40

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

2235MHz

Base Clock

-

2520MHz

Boost Clock

-

1313MHz

Memory Clock

400MHz

Memory

24GB

Memory Size

256MB

GDDR6X

Memory Type

DDR2

384bit

Memory Bus

128bit

1008 GB/s

Bandwidth

12.80 GB/s

Render Config

128

SM Count

-

Compute Units

-

16384

Shading Units

-

512

TMUs

4

176

ROPs

4

512

Tensor Cores

-

128

RT Cores

-

128 KB (per SM)

L1 Cache

-

72MB

L2 Cache

-

Theoretical Performance

443.5 GPixel/s

Pixel Rate

2.200 GPixel/s

1290 GTexel/s

Texture Rate

2.200 GTexel/s

82.58 TFLOPS

FP16 (half)

-

82.58 TFLOPS

FP32 (float)

-

1290 GFLOPS

FP64 (double)

-

Graphics Processor

AD102

GPU Name

RV516

AD102-300-A1

GPU Variant

-

Ada Lovelace

Architecture

R500

TSMC

Foundry

UMC

5 nm

Process Size

80 nm

76,300 million

Transistors

107 million

609mm²

Die Size

100mm²

Board Design

450W

TDP

27W

850W

Suggested PSU

200W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x VGA 1x S-Video

1x 16-pin

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

3.0

OpenCL

N/A

1.3

Vulkan

N/A

8.9

CUDA

-

6.7

Shader Model

3.0

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