ATI Radeon HD 2600 XT Mac Edition vs AMD Radeon RX 7990 XTX

VS

ATI Radeon HD 2600 XT Mac Edition

AMD Radeon RX 7990 XTX

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2600 XT Mac Edition 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 2600 XT Mac Edition 's Advantages

Lower TDP (45W vs 405W)

AMD Radeon RX 7990 XTX 's Advantages

Boost Clock3599MHz

More VRAM (24GB vs 256GB)

Larger VRAM bandwidth (1152GB/s vs 25.60GB/s)

6024 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 2600 XT Mac Edition

0.168 TFLOPS

Radeon RX 7990 XTX +52548%

88.45 TFLOPS

Radeon HD 2600 XT Mac Edition

VS

Radeon RX 7990 XTX

Graphics Card

Feb 2008

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

800 MHz

Memory Clock

3000 MHz

Memory

256MB

Memory Size

24GB

GDDR3

Memory Type

GDDR6

128bit

Memory Bus

384bit

25.60GB/s

Bandwidth

1152GB/s

Render Config

3

Compute Units

96

-

120

Shading Units

6144

8

TMUs

384

4

ROPs

192

-

RT Cores

96

-

L1 Cache

256 KB per Array

64 KB

L2 Cache

6 MB

-

L3 Cache

192 MB

Theoretical Performance

2.800 GPixel/s

Pixel Rate

691.0 GPixel/s

5.600 GTexel/s

Texture Rate

1382 GTexel/s

-

FP16 (half)

176.9 TFLOPS

168.0 GFLOPS

FP32 (float)

88.45 TFLOPS

-

FP64 (double)

2.764 TFLOPS

Board Design

45W

TDP

405W

200 W

Suggested PSU

800 W

2x DVI

Outputs

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

None

Power Connectors

3x 8-pin

Graphics Processor

RV630

GPU Name

Navi 31

-

GPU Variant

Navi 31 XTX+

TeraScale

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

65 nm

Process Size

5 nm

0.39 billion

Transistors

57.7 billion

153 mm²

Die Size

529 mm²

Graphics Features

10.0 (10_0)

DirectX

12 Ultimate (12_2)

3.3

OpenGL

4.6

N/A

OpenCL

2.2

N/A

Vulkan

1.3

-

4.0

Shader Model

6.7

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