AMD Radeon HD 7850 vs ATI Radeon HD 2600 XT Mac Edition

VS

AMD Radeon HD 7850

ATI Radeon HD 2600 XT Mac Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7850 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 HD 7850 's Advantages

Released 4 years and 1 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (153.6GB/s vs 25.60GB/s)

904 additional rendering cores

ATI Radeon HD 2600 XT Mac Edition 's Advantages

Lower TDP (45W vs 130W)

Score

Benchmark

FP32 (float)

Radeon HD 7850 +948%

1.761 TFLOPS

Radeon HD 2600 XT Mac Edition

0.168 TFLOPS

Radeon HD 7850

VS

Radeon HD 2600 XT Mac Edition

Graphics Card

Mar 2012

Release Date

Feb 2008

Southern Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

25.60GB/s

Render Config

16

Compute Units

3

-

1024

Shading Units

120

64

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

27.52 GPixel/s

Pixel Rate

2.800 GPixel/s

55.04 GTexel/s

Texture Rate

5.600 GTexel/s

-

1.761 TFLOPS

FP32 (float)

168.0 GFLOPS

110.1 GFLOPS

FP64 (double)

-

Board Design

130W

TDP

45W

300 W

Suggested PSU

200 W

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

Outputs

2x DVI

1x 6-pin

Power Connectors

None

Graphics Processor

Pitcairn

GPU Name

RV630

Pitcairn PRO (215-0828062)

GPU Variant

-

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

2.8 billion

Transistors

0.39 billion

212 mm²

Die Size

153 mm²

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

-

5.1

Shader Model

4.0

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