ATI Radeon HD 2600 XT Mac Edition vs AMD Radeon 550X 640SP

VS

ATI Radeon HD 2600 XT Mac Edition

AMD Radeon 550X 640SP

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2600 XT Mac Edition and 4GB VRAM Radeon 550X 640SP 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 50W)

AMD Radeon 550X 640SP 's Advantages

Released 10 years and 2 months late

Boost Clock1071MHz

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (48.00GB/s vs 25.60GB/s)

520 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 2600 XT Mac Edition

0.168 TFLOPS

Radeon 550X 640SP +716%

1.371 TFLOPS

Radeon HD 2600 XT Mac Edition

VS

Radeon 550X 640SP

Graphics Card

Feb 2008

Release Date

Apr 2018

Radeon R600

Generation

Polaris

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1019 MHz

-

Boost Clock

1071 MHz

800 MHz

Memory Clock

1500 MHz

Memory

256MB

Memory Size

4GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

48.00GB/s

Render Config

3

Compute Units

10

-

120

Shading Units

640

8

TMUs

40

4

ROPs

16

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

17.14 GPixel/s

5.600 GTexel/s

Texture Rate

42.84 GTexel/s

-

FP16 (half)

1371 GFLOPS

168.0 GFLOPS

FP32 (float)

1371 GFLOPS

-

FP64 (double)

85.68 GFLOPS

Board Design

45W

TDP

50W

200 W

Suggested PSU

250 W

2x DVI

Outputs

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

RV630

GPU Name

Lexa

-

GPU Variant

Lexa PRO (215-0904018)

TeraScale

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

65 nm

Process Size

14 nm

0.39 billion

Transistors

2.2 billion

153 mm²

Die Size

103 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (12_0)

3.3

OpenGL

4.6

N/A

OpenCL

2.1

N/A

Vulkan

1.2

-

4.0

Shader Model

6.4

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