ATI Radeon HD 2600 XT Mac Edition vs AMD Radeon HD 7790

VS

ATI Radeon HD 2600 XT Mac Edition

AMD Radeon HD 7790

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2600 XT Mac Edition and 1024MB VRAM Radeon HD 7790 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 85W)

AMD Radeon HD 7790 's Advantages

Released 5 years and 1 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (96.00GB/s vs 25.60GB/s)

776 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 2600 XT Mac Edition

0.168 TFLOPS

Radeon HD 7790 +966%

1.792 TFLOPS

Radeon HD 2600 XT Mac Edition

VS

Radeon HD 7790

Graphics Card

Feb 2008

Release Date

Mar 2013

Radeon R600

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1500 MHz

Memory

256MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

96.00GB/s

Render Config

3

Compute Units

14

-

120

Shading Units

896

8

TMUs

56

4

ROPs

16

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

16.00 GPixel/s

5.600 GTexel/s

Texture Rate

56.00 GTexel/s

-

168.0 GFLOPS

FP32 (float)

1.792 TFLOPS

-

FP64 (double)

112.0 GFLOPS

Board Design

45W

TDP

85W

200 W

Suggested PSU

250 W

2x DVI

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Processor

RV630

GPU Name

Bonaire

-

GPU Variant

Bonaire XT (215-0839039)

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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