ATI Radeon HD 2900 XTX vs AMD Radeon RX 7990 XTX

VS

ATI Radeon HD 2900 XTX AMD Radeon RX 7990 XTX

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XTX and 24GB VRAM Radeon RX 7990 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 XTX 's Advantages

Lower TDP (240W vs 405W)

AMD Radeon RX 7990 XTX 's Advantages

Boost Clock3599MHz

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

5824 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 2900 XTX

0.476 TFLOPS

Radeon RX 7990 XTX +18481%

88.45 TFLOPS

Radeon HD 2900 XTX

VS

Radeon RX 7990 XTX

Graphics Card

Unknown

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

2500 MHz

-

Boost Clock

3599 MHz

828 MHz

Memory Clock

3000 MHz

Memory

512MB

Memory Size

24GB

GDDR3

Memory Type

GDDR6

512bit

Memory Bus

384bit

106.0GB/s

Bandwidth

1152GB/s

Render Config

-

SM Count

-

4

Compute Units

96

320

Shading Units

6144

16

TMUs

384

16

ROPs

192

-

Tensor Cores

-

RT Cores

96

-

L1 Cache

256 KB per Array

256 KB

L2 Cache

6 MB

Theoretical Performance

11.89 GPixel/s

Pixel Rate

691.0 GPixel/s

11.89 GTexel/s

Texture Rate

1382 GTexel/s

-

FP16 (half)

176.9 TFLOPS

475.5 GFLOPS

FP32 (float)

88.45 TFLOPS

-

FP64 (double)

2.764 TFLOPS

Graphics Processor

R600

GPU Name

Navi 31

R600 XTX A11 (215RGMDKA11FG)

GPU Variant

Navi 31 XTX+

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

Board Design

240W

TDP

405W

550 W

Suggested PSU

800 W

2x DVI 1x S-Video

Outputs

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

2x 6-pin

Power Connectors

3x 8-pin

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

-

CUDA

-

4.0

Shader Model

6.7

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