AMD Radeon HD 6870 1600SP Edition vs ATI Radeon HD 2600 PRO

VS

AMD Radeon HD 6870 1600SP Edition ATI Radeon HD 2600 PRO

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 1600SP Edition and 256MB VRAM ATI Radeon HD 2600 PRO to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 1600SP Edition 's Advantages

Released 5 years and 7 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (134.4GB/s vs 16.00GB/s)

1480 additional rendering cores

ATI Radeon HD 2600 PRO 's Advantages

Lower TDP (35W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 1600SP Edition +1788%

2.72 TFLOPS

ATI Radeon HD 2600 PRO

0.144 TFLOPS

Radeon HD 6870 1600SP Edition

VS

ATI Radeon HD 2600 PRO

Graphics Card

Jan 2013

Release Date

Jun 2007

Northern Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1050 MHz

Memory Clock

500 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

16.00GB/s

Render Config

-

SM Count

-

20

Compute Units

3

1600

Shading Units

120

80

TMUs

8

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

Theoretical Performance

27.20 GPixel/s

Pixel Rate

2.400 GPixel/s

68.00 GTexel/s

Texture Rate

4.800 GTexel/s

-

FP16 (half)

-

2.720 TFLOPS

FP32 (float)

144.0 GFLOPS

544.0 GFLOPS

FP64 (double)

-

Graphics Processor

Cypress

GPU Name

RV630

Cypress XT (215-0735033)

GPU Variant

RV630 PRO (215CDBBKA15FG)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

2.154 billion

Transistors

0.39 billion

334 mm²

Die Size

153 mm²

Board Design

175W

TDP

35W

450 W

Suggested PSU

200 W

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

10.0 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

4.0

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