AMD Radeon HD 6990 vs ATI FireGL V7600

VS

AMD Radeon HD 6990

ATI FireGL V7600

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 512MB VRAM FireGL V7600 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990 's Advantages

Released 3 years and 7 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (160.0GB/s vs 51.20GB/s)

1216 additional rendering cores

ATI FireGL V7600 's Advantages

Lower TDP (127W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 6990 +564%

2.55 TFLOPS

FireGL V7600

0.384 TFLOPS

Radeon HD 6990

VS

FireGL V7600

Graphics Card

Mar 2011

Release Date

Aug 2007

Northern Islands

Generation

FireGL

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

51.20GB/s

Render Config

24

Compute Units

4

-

1536

Shading Units

320

96

TMUs

16

32

ROPs

16

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

128 KB

-

Theoretical Performance

26.56 GPixel/s

Pixel Rate

9.600 GPixel/s

79.68 GTexel/s

Texture Rate

9.600 GTexel/s

-

2.550 TFLOPS

FP32 (float)

384.0 GFLOPS

637.4 GFLOPS

FP64 (double)

-

Board Design

375W

TDP

127W

750 W

Suggested PSU

300 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Antilles

GPU Name

R600

Antilles XT (215-0807027)

GPU Variant

R600 GL

TeraScale 3

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

2.64 billion

Transistors

0.72 billion

389 mm²

Die Size

420 mm²

Graphics Features

11.2 (11_0)

DirectX

10.0 (10_0)

4.4

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.0

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