ATI Radeon HD 2900 XT vs NVIDIA GeForce RTX 5090

VS

ATI Radeon HD 2900 XT

NVIDIA GeForce RTX 5090

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XT and 32GB VRAM GeForce RTX 5090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 XT 's Advantages

Lower TDP (215W vs 500W)

NVIDIA GeForce RTX 5090 's Advantages

Released 17 years and 8 months late

Boost Clock2520MHz

More VRAM (32GB vs 512GB)

Larger VRAM bandwidth (1.52TB/s vs 106.0GB/s)

21440 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 2900 XT

0.476 TFLOPS

GeForce RTX 5090 +22946%

109.7 TFLOPS

Radeon HD 2900 XT

VS

GeForce RTX 5090

Graphics Card

May 2007

Release Date

Jan 2025

Radeon R600

Generation

GeForce 50

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

-

Base Clock

2235 MHz

-

Boost Clock

2520 MHz

828 MHz

Memory Clock

1875 MHz

Memory

512MB

Memory Size

32GB

GDDR3

Memory Type

GDDR7

512bit

Memory Bus

512bit

106.0GB/s

Bandwidth

1.52TB/s

Render Config

4

Compute Units

-

SM Count

170

320

Shading Units

21760

16

TMUs

680

16

ROPs

192

-

Tensor Cores

680

-

RT Cores

170

-

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

88 MB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

483.8 GPixel/s

11.89 GTexel/s

Texture Rate

1714 GTexel/s

-

FP16 (half)

109.7 TFLOPS

475.5 GFLOPS

FP32 (float)

109.7 TFLOPS

-

FP64 (double)

1.714 TFLOPS

Board Design

215W

TDP

500W

550 W

Suggested PSU

900 W

2x DVI 1x S-Video

Outputs

1x HDMI 2.1 3x DisplayPort 2.1a

1x 6-pin + 1x 8-pin

Power Connectors

1x 16-pin

Graphics Processor

R600

GPU Name

GB202

R600 XT (215RGMDKA13FG)

GPU Variant

GB202-400-A1

TeraScale

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

80 nm

Process Size

4 nm

0.72 billion

Transistors

Unknown

420 mm²

Die Size

Unknown

Graphics Features

10.0 (10_0)

DirectX

12 Ultimate (12_2)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

10.1

4.0

Shader Model

6.8

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