AMD Radeon HD 7990 vs AMD FirePro D300

VS

AMD Radeon HD 7990

AMD FirePro D300

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 2GB VRAM FirePro D300 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7990 's Advantages

Boost Clock1000MHz

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (288.0GB/s vs 162.6GB/s)

768 additional rendering cores

AMD FirePro D300 's Advantages

Released 9 months late

Lower TDP (150W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 7990 +88%

4.096 TFLOPS

FirePro D300

2.176 TFLOPS

Radeon HD 7990

VS

FirePro D300

Graphics Card

Apr 2013

Release Date

Jan 2014

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

1270 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

288.0GB/s

Bandwidth

162.6GB/s

Render Config

32

Compute Units

20

-

2048

Shading Units

1280

128

TMUs

80

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

27.20 GPixel/s

128.0 GTexel/s

Texture Rate

68.00 GTexel/s

-

4.096 TFLOPS

FP32 (float)

2.176 TFLOPS

1024 GFLOPS

FP64 (double)

136.0 GFLOPS

Board Design

375W

TDP

150W

750 W

Suggested PSU

450 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

4x DisplayPort 1.2

2x 8-pin

Power Connectors

-

Graphics Processor

Malta

GPU Name

Pitcairn

Malta XT (215-0849026)

GPU Variant

Pitcairn XT GL (215-0828073)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

2.8 billion

365 mm²

Die Size

212 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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