AMD Radeon R9 280X vs ATI Radeon HD 2600 XT Mac Edition

VS

AMD Radeon R9 280X ATI Radeon HD 2600 XT Mac Edition

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X 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 R9 280X 's Advantages

Released 5 years and 8 months late

Boost Clock1000MHz

Larger VRAM bandwidth (288.0GB/s vs 25.60GB/s)

1928 additional rendering cores

ATI Radeon HD 2600 XT Mac Edition 's Advantages

Lower TDP (45W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 280X +2338%

4.096 TFLOPS

Radeon HD 2600 XT Mac Edition

0.168 TFLOPS

Radeon R9 280X

VS

Radeon HD 2600 XT Mac Edition

Graphics Card

Oct 2013

Release Date

Feb 2008

Volcanic Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

850 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

800 MHz

Memory

3GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

128bit

288.0GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

32

Compute Units

3

2048

Shading Units

120

128

TMUs

8

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

64 KB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

2.800 GPixel/s

128.0 GTexel/s

Texture Rate

5.600 GTexel/s

-

FP16 (half)

-

4.096 TFLOPS

FP32 (float)

168.0 GFLOPS

1024 GFLOPS

FP64 (double)

-

Graphics Processor

Tahiti

GPU Name

RV630

Tahiti XTL (215-0821065)

GPU Variant

-

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

4.313 billion

Transistors

0.39 billion

352 mm²

Die Size

153 mm²

Board Design

250W

TDP

45W

600 W

Suggested PSU

200 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

2x DVI

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

4.0

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