NVIDIA GeForce RTX 4090 vs ATI Radeon HD 2900 XTX

VS

NVIDIA GeForce RTX 4090 ATI Radeon HD 2900 XTX

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 512MB VRAM Radeon HD 2900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 's Advantages

Boost Clock2520MHz

16064 additional rendering cores

ATI Radeon HD 2900 XTX 's Advantages

Larger VRAM bandwidth (106.0TB/s vs 1.01TB/s)

Lower TDP (240W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 +17248%

82.58 TFLOPS

Radeon HD 2900 XTX

0.476 TFLOPS

GeForce RTX 4090

VS

Radeon HD 2900 XTX

Graphics Card

Sep 2022

Release Date

Unknown

GeForce 40

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

2235 MHz

Base Clock

-

2520 MHz

Boost Clock

-

1313 MHz

Memory Clock

828 MHz

Memory

24GB

Memory Size

512MB

GDDR6X

Memory Type

GDDR3

384bit

Memory Bus

512bit

1.01TB/s

Bandwidth

106.0GB/s

Render Config

128

SM Count

-

Compute Units

4

16384

Shading Units

320

512

TMUs

16

176

ROPs

16

512

Tensor Cores

-

128

RT Cores

-

128 KB (per SM)

L1 Cache

-

72 MB

L2 Cache

256 KB

Theoretical Performance

443.5 GPixel/s

Pixel Rate

11.89 GPixel/s

1290 GTexel/s

Texture Rate

11.89 GTexel/s

82.58 TFLOPS

FP16 (half)

-

82.58 TFLOPS

FP32 (float)

475.5 GFLOPS

1290 GFLOPS

FP64 (double)

-

Graphics Processor

AD102

GPU Name

R600

AD102-300-A1

GPU Variant

R600 XTX A11 (215RGMDKA11FG)

Ada Lovelace

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

80 nm

76.3 billion

Transistors

0.72 billion

609 mm²

Die Size

420 mm²

Board Design

450W

TDP

240W

850 W

Suggested PSU

550 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 16-pin

Power Connectors

2x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

1.3

Vulkan

N/A

8.9

CUDA

-

6.7

Shader Model

4.0

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