AMD Radeon HD 6990 vs AMD FirePro D300

VS

AMD Radeon HD 6990

AMD FirePro D300

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 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 6990 's Advantages

256 additional rendering cores

AMD FirePro D300 's Advantages

Released 2 years and 10 months late

Larger VRAM bandwidth (162.6GB/s vs 160.0GB/s)

Lower TDP (150W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 6990 +17%

2.55 TFLOPS

FirePro D300

2.176 TFLOPS

Radeon HD 6990

VS

FirePro D300

Graphics Card

Mar 2011

Release Date

Jan 2014

Northern Islands

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1270 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

162.6GB/s

Render Config

24

Compute Units

20

-

1536

Shading Units

1280

96

TMUs

80

32

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

26.56 GPixel/s

Pixel Rate

27.20 GPixel/s

79.68 GTexel/s

Texture Rate

68.00 GTexel/s

-

2.550 TFLOPS

FP32 (float)

2.176 TFLOPS

637.4 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

Antilles

GPU Name

Pitcairn

Antilles XT (215-0807027)

GPU Variant

Pitcairn XT GL (215-0828073)

TeraScale 3

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.64 billion

Transistors

2.8 billion

389 mm²

Die Size

212 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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