AMD Radeon HD 6870 1600SP Edition vs ATI FirePro V7770

VS

AMD Radeon HD 6870 1600SP Edition

ATI FirePro V7770

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 1600SP Edition and 1024MB VRAM FirePro V7770 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 1 years late

Larger VRAM bandwidth (134.4GB/s vs 33.60GB/s)

800 additional rendering cores

ATI FirePro V7770 's Advantages

Lower TDP (76W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 1600SP Edition +172%

2.72 TFLOPS

FirePro V7770

1 TFLOPS

Radeon HD 6870 1600SP Edition

VS

FirePro V7770

Graphics Card

Jan 2013

Release Date

Jan 2012

Northern Islands

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

1050 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR4

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

33.60GB/s

Render Config

20

Compute Units

10

-

1600

Shading Units

800

80

TMUs

40

32

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

5.000 GPixel/s

68.00 GTexel/s

Texture Rate

25.00 GTexel/s

-

2.720 TFLOPS

FP32 (float)

1000 GFLOPS

544.0 GFLOPS

FP64 (double)

-

Board Design

175W

TDP

76W

450 W

Suggested PSU

250 W

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

Outputs

1x DVI

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Cypress

GPU Name

RV770

Cypress XT (215-0735033)

GPU Variant

RV770 XT (215-0669049)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

2.154 billion

Transistors

0.956 billion

334 mm²

Die Size

256 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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