ATI Radeon HD 2600 XT Mac Edition vs AMD Radeon RX 6400

VS

ATI Radeon HD 2600 XT Mac Edition

AMD Radeon RX 6400

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2600 XT Mac Edition and 4GB VRAM Radeon RX 6400 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 53W)

AMD Radeon RX 6400 's Advantages

Released 13 years and 11 months late

Boost Clock2321MHz

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (128.0GB/s vs 25.60GB/s)

648 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 2600 XT Mac Edition

0.168 TFLOPS

Radeon RX 6400 +2022%

3.565 TFLOPS

Radeon HD 2600 XT Mac Edition

VS

Radeon RX 6400

Graphics Card

Feb 2008

Release Date

Jan 2022

Radeon R600

Generation

Navi II

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

-

Base Clock

1923 MHz

-

Boost Clock

2321 MHz

800 MHz

Memory Clock

2000 MHz

Memory

256MB

Memory Size

4GB

GDDR3

Memory Type

GDDR6

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

128.0GB/s

Render Config

3

Compute Units

12

-

120

Shading Units

768

8

TMUs

48

4

ROPs

32

-

RT Cores

12

-

L1 Cache

128 KB per Array

64 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

2.800 GPixel/s

Pixel Rate

74.27 GPixel/s

5.600 GTexel/s

Texture Rate

111.4 GTexel/s

-

FP16 (half)

7.130 TFLOPS

168.0 GFLOPS

FP32 (float)

3.565 TFLOPS

-

FP64 (double)

222.8 GFLOPS

Board Design

45W

TDP

53W

200 W

Suggested PSU

250 W

2x DVI

Outputs

1x HDMI 2.1 1x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

RV630

GPU Name

Navi 24

-

GPU Variant

Navi 24 XL (215-135000046)

TeraScale

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

65 nm

Process Size

6 nm

0.39 billion

Transistors

5.4 billion

153 mm²

Die Size

107 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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