AMD Radeon HD 7990 vs AMD Radeon Pro WX 3100

VS

AMD Radeon HD 7990

AMD Radeon Pro WX 3100

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 4GB VRAM Radeon Pro WX 3100 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7990 's Advantages

Larger VRAM bandwidth (288.0GB/s vs 96.00GB/s)

1536 additional rendering cores

AMD Radeon Pro WX 3100 's Advantages

Released 4 years and 2 months late

Boost Clock has increased by 22% (1219MHz vs 1000MHz)

More VRAM (4GB vs 3GB)

Lower TDP (65W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 7990 +228%

4.096 TFLOPS

Radeon Pro WX 3100

1.248 TFLOPS

Radeon HD 7990

VS

Radeon Pro WX 3100

Graphics Card

Apr 2013

Release Date

Jun 2017

Southern Islands

Generation

Radeon Pro Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

950 MHz

Base Clock

925 MHz

1000 MHz

Boost Clock

1219 MHz

1500 MHz

Memory Clock

1500 MHz

Memory

3GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

288.0GB/s

Bandwidth

96.00GB/s

Render Config

32

Compute Units

8

-

2048

Shading Units

512

128

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

512 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

19.50 GPixel/s

128.0 GTexel/s

Texture Rate

39.01 GTexel/s

-

FP16 (half)

1248 GFLOPS

4.096 TFLOPS

FP32 (float)

1248 GFLOPS

1024 GFLOPS

FP64 (double)

78.02 GFLOPS

Board Design

375W

TDP

65W

750 W

Suggested PSU

250 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x DisplayPort 1.4a 2x mini-DisplayPort 1.4a

2x 8-pin

Power Connectors

None

Graphics Processor

Malta

GPU Name

Lexa

Malta XT (215-0849026)

GPU Variant

Lexa XT

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

4.313 billion

Transistors

2.2 billion

365 mm²

Die Size

103 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

5.1

Shader Model

6.7

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