AMD Radeon HD 6990 vs ATI FirePro V4800

VS

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 1024MB VRAM FirePro V4800 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990 's Advantages

Released 11 months late

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (160.0GB/s vs 57.60GB/s)

1136 additional rendering cores

ATI FirePro V4800 's Advantages

Lower TDP (69W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 6990 +311%

2.55 TFLOPS

FirePro V4800

0.62 TFLOPS

Radeon HD 6990

VS

FirePro V4800

Graphics Card

Mar 2011

Release Date

Apr 2010

Northern Islands

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

57.60GB/s

Render Config

-

SM Count

-

24

Compute Units

5

1536

Shading Units

400

96

TMUs

20

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

26.56 GPixel/s

Pixel Rate

6.200 GPixel/s

79.68 GTexel/s

Texture Rate

15.50 GTexel/s

-

FP16 (half)

-

2.550 TFLOPS

FP32 (float)

620.0 GFLOPS

637.4 GFLOPS

FP64 (double)

-

Graphics Processor

Antilles

GPU Name

Redwood

Antilles XT (215-0807027)

GPU Variant

Redwood XT GL

TeraScale 3

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.64 billion

Transistors

0.627 billion

389 mm²

Die Size

104 mm²

Board Design

375W

TDP

69W

750 W

Suggested PSU

250 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x DVI 2x DisplayPort 1.1

2x 8-pin

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

5.0

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