ATI FireGL V8600 vs AMD Radeon HD 6990

VS

ATI FireGL V8600

AMD Radeon HD 6990

We compared two Desktop platform GPUs: 1024MB VRAM FireGL V8600 and 2GB VRAM Radeon HD 6990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FireGL V8600 's Advantages

Lower TDP (159W vs 375W)

AMD Radeon HD 6990 's Advantages

Released 3 years and 10 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 111.1GB/s)

1216 additional rendering cores

Score

Benchmark

FP32 (float)

FireGL V8600

0.44 TFLOPS

Radeon HD 6990 +479%

2.55 TFLOPS

FireGL V8600

VS

Radeon HD 6990

Graphics Card

May 2007

Release Date

Mar 2011

FireGL

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

868 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

2GB

GDDR4

Memory Type

GDDR5

512bit

Memory Bus

256bit

111.1GB/s

Bandwidth

160.0GB/s

Render Config

4

Compute Units

24

-

320

Shading Units

1536

16

TMUs

96

16

ROPs

32

-

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

11.01 GPixel/s

Pixel Rate

26.56 GPixel/s

11.01 GTexel/s

Texture Rate

79.68 GTexel/s

-

440.3 GFLOPS

FP32 (float)

2.550 TFLOPS

-

FP64 (double)

637.4 GFLOPS

Board Design

159W

TDP

375W

450 W

Suggested PSU

750 W

1x DVI 1x DisplayPort 1x S-Video

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

R600

GPU Name

Antilles

R600 V8600

GPU Variant

Antilles XT (215-0807027)

TeraScale

Architecture

TeraScale 3

TSMC

Foundry

TSMC

80 nm

Process Size

40 nm

0.72 billion

Transistors

2.64 billion

420 mm²

Die Size

389 mm²

Graphics Features

10.0 (10_0)

DirectX

11.2 (11_0)

3.3 (full) 4.0 (partial)

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.0

Shader Model

5.0

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