ATI Radeon HD 2600 XT Mac Edition vs AMD Radeon RX 455 OEM

VS

ATI Radeon HD 2600 XT Mac Edition

AMD Radeon RX 455 OEM

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2600 XT Mac Edition and 2GB VRAM Radeon RX 455 OEM 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 100W)

AMD Radeon RX 455 OEM 's Advantages

Released 8 years and 4 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (104.0GB/s vs 25.60GB/s)

648 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 2600 XT Mac Edition

0.168 TFLOPS

Radeon RX 455 OEM +860%

1.613 TFLOPS

Radeon HD 2600 XT Mac Edition

VS

Radeon RX 455 OEM

Graphics Card

Feb 2008

Release Date

Jun 2016

Radeon R600

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1625 MHz

Memory

256MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

104.0GB/s

Render Config

3

Compute Units

12

-

120

Shading Units

768

8

TMUs

48

4

ROPs

16

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

16.80 GPixel/s

5.600 GTexel/s

Texture Rate

50.40 GTexel/s

-

168.0 GFLOPS

FP32 (float)

1.613 TFLOPS

-

FP64 (double)

100.8 GFLOPS

Board Design

45W

TDP

100W

200 W

Suggested PSU

300 W

2x DVI

Outputs

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

None

Power Connectors

1x 6-pin

Graphics Processor

RV630

GPU Name

Tobago

-

GPU Variant

Tobago PRO (215-0875010)

TeraScale

Architecture

GCN 2.0

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.39 billion

Transistors

2.08 billion

153 mm²

Die Size

160 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (12_0)

3.3

OpenGL

4.6

N/A

OpenCL

2.0

N/A

Vulkan

1.2

-

4.0

Shader Model

6.3

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