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

VS

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

We compared two Desktop platform GPUs: 4GB VRAM Radeon 550X 640SP and 256MB VRAM Radeon HD 2600 XT Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 640SP 's Advantages

Released 10 years and 2 months late

Boost Clock1071MHz

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

520 additional rendering cores

ATI Radeon HD 2600 XT Mac Edition 's Advantages

Lower TDP (45W vs 50W)

Score

Benchmark

FP32 (float)

Radeon 550X 640SP +716%

1.371 TFLOPS

Radeon HD 2600 XT Mac Edition

0.168 TFLOPS

Radeon 550X 640SP

VS

Radeon HD 2600 XT Mac Edition

Graphics Card

Apr 2018

Release Date

Feb 2008

Polaris

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 1.0 x16

Clock Speeds

1019 MHz

Base Clock

-

1071 MHz

Boost Clock

-

1500 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

10

Compute Units

3

640

Shading Units

120

40

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

Theoretical Performance

17.14 GPixel/s

Pixel Rate

2.800 GPixel/s

42.84 GTexel/s

Texture Rate

5.600 GTexel/s

1371 GFLOPS

FP16 (half)

-

1371 GFLOPS

FP32 (float)

168.0 GFLOPS

85.68 GFLOPS

FP64 (double)

-

Graphics Processor

Lexa

GPU Name

RV630

Lexa PRO (215-0904018)

GPU Variant

-

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

65 nm

2.2 billion

Transistors

0.39 billion

103 mm²

Die Size

153 mm²

Board Design

50W

TDP

45W

250 W

Suggested PSU

200 W

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

Outputs

2x DVI

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

2.1

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

6.4

Shader Model

4.0

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