AMD Radeon R9 390 X2 vs ATI FirePro V7900

VS

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 X2 and 2GB VRAM FirePro V7900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390 X2 's Advantages

Released 4 years and 4 months late

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (345.6GB/s vs 160.0GB/s)

1280 additional rendering cores

ATI FirePro V7900 's Advantages

Lower TDP (150W vs 580W)

Score

Benchmark

FP32 (float)

Radeon R9 390 X2 +175%

5.12 TFLOPS

FirePro V7900

1.856 TFLOPS

Radeon R9 390 X2

VS

FirePro V7900

Graphics Card

Sep 2015

Release Date

May 2011

Pirate Islands

Generation

FirePro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1350 MHz

Memory Clock

1250 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

256bit

345.6GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

-

40

Compute Units

20

2560

Shading Units

1280

160

TMUs

80

64

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

512 KB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

23.20 GPixel/s

160.0 GTexel/s

Texture Rate

58.00 GTexel/s

-

FP16 (half)

-

5.120 TFLOPS

FP32 (float)

1.856 TFLOPS

640.0 GFLOPS

FP64 (double)

464.0 GFLOPS

Graphics Processor

Grenada

GPU Name

Cayman

Grenada PRO (215-0880030)

GPU Variant

Cayman PRO GL

GCN 2.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

6.2 billion

Transistors

2.64 billion

438 mm²

Die Size

389 mm²

Board Design

580W

TDP

150W

950 W

Suggested PSU

450 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

4x DisplayPort 1.2

4x 8-pin

Power Connectors

1x 6-pin

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.3

Shader Model

5.0

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