ATI Radeon HD 2600 XT Mac Edition vs AMD Radeon 550

VS

ATI Radeon HD 2600 XT Mac Edition

AMD Radeon 550

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2600 XT Mac Edition and 2GB VRAM Radeon 550 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 550 's Advantages

Released 9 years and 2 months late

Boost Clock1183MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (56.00GB/s vs 25.60GB/s)

392 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 2600 XT Mac Edition

0.168 TFLOPS

Radeon 550 +620%

1.211 TFLOPS

Radeon HD 2600 XT Mac Edition

VS

Radeon 550

Graphics Card

Feb 2008

Release Date

Apr 2017

Radeon R600

Generation

Polaris

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1100 MHz

-

Boost Clock

1183 MHz

800 MHz

Memory Clock

1750 MHz

Memory

256MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

56.00GB/s

Render Config

3

Compute Units

8

-

120

Shading Units

512

8

TMUs

32

4

ROPs

16

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

18.93 GPixel/s

5.600 GTexel/s

Texture Rate

37.86 GTexel/s

-

FP16 (half)

1211 GFLOPS

168.0 GFLOPS

FP32 (float)

1211 GFLOPS

-

FP64 (double)

75.71 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

1.3

-

4.0

Shader Model

6.7

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