NVIDIA GeForce RTX 4090 Ti vs ATI Radeon HD 2900 XTX

VS

NVIDIA GeForce RTX 4090 Ti

ATI Radeon HD 2900 XTX

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

Boost Clock2565MHz

More VRAM (24GB vs 512GB)

Larger VRAM bandwidth (1152GB/s vs 106.0GB/s)

17856 additional rendering cores

ATI Radeon HD 2900 XTX 's Advantages

Lower TDP (240W vs 600W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Ti +19488%

93.24 TFLOPS

Radeon HD 2900 XTX

0.476 TFLOPS

GeForce RTX 4090 Ti

VS

Radeon HD 2900 XTX

Graphics Card

Unknown

Release Date

Unknown

GeForce 40

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

2325 MHz

Base Clock

-

2565 MHz

Boost Clock

-

1500 MHz

Memory Clock

828 MHz

Memory

24GB

Memory Size

512MB

GDDR6X

Memory Type

GDDR3

384bit

Memory Bus

512bit

1152GB/s

Bandwidth

106.0GB/s

Render Config

-

Compute Units

4

142

SM Count

-

18176

Shading Units

320

568

TMUs

16

192

ROPs

16

568

Tensor Cores

-

142

RT Cores

-

128 KB (per SM)

L1 Cache

-

96 MB

L2 Cache

256 KB

-

Theoretical Performance

492.5 GPixel/s

Pixel Rate

11.89 GPixel/s

1457 GTexel/s

Texture Rate

11.89 GTexel/s

93.24 TFLOPS

FP16 (half)

-

93.24 TFLOPS

FP32 (float)

475.5 GFLOPS

1457 GFLOPS

FP64 (double)

-

Board Design

600W

TDP

240W

1000 W

Suggested PSU

550 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

2x 16-pin

Power Connectors

2x 6-pin

Graphics Processor

AD102

GPU Name

R600

AD102-400-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

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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