AMD Radeon HD 7990 vs AMD Radeon Pro Vega II

VS

AMD Radeon HD 7990

AMD Radeon Pro Vega II

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 32GB VRAM Radeon Pro Vega II to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7990 's Advantages

Lower TDP (375W vs 475W)

AMD Radeon Pro Vega II 's Advantages

Released 6 years and 2 months late

Boost Clock has increased by 72% (1720MHz vs 1000MHz)

More VRAM (32GB vs 3GB)

Larger VRAM bandwidth (825.3GB/s vs 288.0GB/s)

2048 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7990

4.096 TFLOPS

Radeon Pro Vega II +243%

14.09 TFLOPS

Radeon HD 7990

VS

Radeon Pro Vega II

Graphics Card

Apr 2013

Release Date

Jun 2019

Southern Islands

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

Apple MPX

Clock Speeds

950 MHz

Base Clock

1574 MHz

1000 MHz

Boost Clock

1720 MHz

1500 MHz

Memory Clock

806 MHz

Memory

3GB

Memory Size

32GB

GDDR5

Memory Type

HBM2

384bit

Memory Bus

4096bit

288.0GB/s

Bandwidth

825.3GB/s

Render Config

32

Compute Units

64

-

2048

Shading Units

4096

128

TMUs

256

32

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

4 MB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

110.1 GPixel/s

128.0 GTexel/s

Texture Rate

440.3 GTexel/s

-

FP16 (half)

28.18 TFLOPS

4.096 TFLOPS

FP32 (float)

14.09 TFLOPS

1024 GFLOPS

FP64 (double)

7.045 TFLOPS

Board Design

375W

TDP

475W

750 W

Suggested PSU

850 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x HDMI 2.0b 4x Thunderbolt

2x 8-pin

Power Connectors

None

Graphics Processor

Malta

GPU Name

Vega 20

Malta XT (215-0849026)

GPU Variant

Vega 20 XT

GCN 1.0

Architecture

GCN 5.1

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

4.313 billion

Transistors

13.23 billion

365 mm²

Die Size

331 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

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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