ATI Radeon HD 2900 XT vs AMD Radeon RX 7950 XT

VS

ATI Radeon HD 2900 XT

AMD Radeon RX 7950 XT

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XT and 20GB VRAM Radeon RX 7950 XT 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 300W)

AMD Radeon RX 7950 XT 's Advantages

Boost Clock3000MHz

More VRAM (20GB vs 512GB)

Larger VRAM bandwidth (800.0GB/s vs 106.0GB/s)

5056 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 2900 XT

0.476 TFLOPS

Radeon RX 7950 XT +13452%

64.51 TFLOPS

Radeon HD 2900 XT

VS

Radeon RX 7950 XT

Graphics Card

May 2007

Release Date

Unknown

Radeon R600

Generation

Navi III

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2000 MHz

-

Boost Clock

3000 MHz

828 MHz

Memory Clock

2500 MHz

Memory

512MB

Memory Size

20GB

GDDR3

Memory Type

GDDR6

512bit

Memory Bus

320bit

106.0GB/s

Bandwidth

800.0GB/s

Render Config

4

Compute Units

84

-

320

Shading Units

5376

16

TMUs

336

16

ROPs

192

-

RT Cores

84

-

L1 Cache

256 KB per Array

256 KB

L2 Cache

6 MB

-

L3 Cache

80 MB

Theoretical Performance

11.89 GPixel/s

Pixel Rate

576.0 GPixel/s

11.89 GTexel/s

Texture Rate

1008 GTexel/s

-

FP16 (half)

129.0 TFLOPS

475.5 GFLOPS

FP32 (float)

64.51 TFLOPS

-

FP64 (double)

2.016 TFLOPS

Board Design

215W

TDP

300W

550 W

Suggested PSU

700 W

2x DVI 1x S-Video

Outputs

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

R600

GPU Name

Navi 31

R600 XT (215RGMDKA13FG)

GPU Variant

Navi 31 XT+

TeraScale

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

80 nm

Process Size

5 nm

0.72 billion

Transistors

57.7 billion

420 mm²

Die Size

529 mm²

Graphics Features

10.0 (10_0)

DirectX

12 Ultimate (12_2)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

2.2

N/A

Vulkan

1.3

-

4.0

Shader Model

6.7

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