AMD Radeon HD 7870 GHz Edition vs ATI FireGL V8600

VS

AMD Radeon HD 7870 GHz Edition

ATI FireGL V8600

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 GHz Edition and 1024MB VRAM FireGL V8600 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 GHz Edition 's Advantages

Released 4 years and 10 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 111.1GB/s)

960 additional rendering cores

ATI FireGL V8600 's Advantages

Lower TDP (159W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 7870 GHz Edition +481%

2.56 TFLOPS

FireGL V8600

0.44 TFLOPS

Radeon HD 7870 GHz Edition

VS

FireGL V8600

Graphics Card

Mar 2012

Release Date

May 2007

Southern Islands

Generation

FireGL

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

868 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR4

256bit

Memory Bus

512bit

153.6GB/s

Bandwidth

111.1GB/s

Render Config

20

Compute Units

4

-

1280

Shading Units

320

80

TMUs

16

32

ROPs

16

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

256 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

11.01 GPixel/s

80.00 GTexel/s

Texture Rate

11.01 GTexel/s

-

2.560 TFLOPS

FP32 (float)

440.3 GFLOPS

160.0 GFLOPS

FP64 (double)

-

Board Design

175W

TDP

159W

450 W

Suggested PSU

450 W

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

Outputs

1x DVI 1x DisplayPort 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Pitcairn

GPU Name

R600

Pitcairn XT (215-0828047)

GPU Variant

R600 V8600

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

2.8 billion

Transistors

0.72 billion

212 mm²

Die Size

420 mm²

Graphics Features

12 (11_1)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

4.0

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