ATI FirePro V7900 vs AMD Radeon HD 7990

VS

We compared two Desktop platform GPUs: 2GB VRAM FirePro V7900 and 3GB VRAM Radeon HD 7990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FirePro V7900 's Advantages

Lower TDP (150W vs 375W)

AMD Radeon HD 7990 's Advantages

Released 1 years and 11 months late

Boost Clock1000MHz

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (288.0GB/s vs 160.0GB/s)

768 additional rendering cores

Score

Benchmark

FP32 (float)

FirePro V7900

1.856 TFLOPS

Radeon HD 7990 +120%

4.096 TFLOPS

FirePro V7900

VS

Radeon HD 7990

Graphics Card

May 2011

Release Date

Apr 2013

FirePro

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

950 MHz

-

Boost Clock

1000 MHz

1250 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

160.0GB/s

Bandwidth

288.0GB/s

Render Config

-

SM Count

-

20

Compute Units

32

1280

Shading Units

2048

80

TMUs

128

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

768 KB

Theoretical Performance

23.20 GPixel/s

Pixel Rate

32.00 GPixel/s

58.00 GTexel/s

Texture Rate

128.0 GTexel/s

-

FP16 (half)

-

1.856 TFLOPS

FP32 (float)

4.096 TFLOPS

464.0 GFLOPS

FP64 (double)

1024 GFLOPS

Graphics Processor

Cayman

GPU Name

Malta

Cayman PRO GL

GPU Variant

Malta XT (215-0849026)

TeraScale 3

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.64 billion

Transistors

4.313 billion

389 mm²

Die Size

365 mm²

Board Design

150W

TDP

375W

450 W

Suggested PSU

750 W

4x DisplayPort 1.2

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 6-pin

Power Connectors

2x 8-pin

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

-

CUDA

-

5.0

Shader Model

5.1

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