AMD Radeon HD 7990 vs AMD FirePro W8000

VS

AMD Radeon HD 7990

AMD FirePro W8000

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 4GB VRAM FirePro W8000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7990 's Advantages

Released 10 months late

Boost Clock1000MHz

Larger VRAM bandwidth (288.0GB/s vs 176.0GB/s)

256 additional rendering cores

AMD FirePro W8000 's Advantages

More VRAM (4GB vs 3GB)

Lower TDP (225W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 7990 +26%

4.096 TFLOPS

FirePro W8000

3.226 TFLOPS

Radeon HD 7990

VS

FirePro W8000

Graphics Card

Apr 2013

Release Date

Jun 2012

Southern Islands

Generation

FirePro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

950 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

1375 MHz

Memory

3GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

288.0GB/s

Bandwidth

176.0GB/s

Render Config

32

Compute Units

28

-

2048

Shading Units

1792

128

TMUs

112

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

512 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

28.80 GPixel/s

128.0 GTexel/s

Texture Rate

100.8 GTexel/s

-

4.096 TFLOPS

FP32 (float)

3.226 TFLOPS

1024 GFLOPS

FP64 (double)

806.4 GFLOPS

Board Design

375W

TDP

225W

750 W

Suggested PSU

550 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

4x DisplayPort 1.2 1x SDI

2x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Malta

GPU Name

Tahiti

Malta XT (215-0849026)

GPU Variant

Tahiti PRO GL

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

4.313 billion

365 mm²

Die Size

352 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

5.1

Shader Model

5.1

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