AMD Radeon VII vs AMD Radeon HD 8990 OEM

VS

AMD Radeon VII

AMD Radeon HD 8990 OEM

We compared two Desktop platform GPUs: 16GB VRAM Radeon VII and 3GB VRAM Radeon HD 8990 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon VII 's Advantages

Released 5 years and 10 months late

Boost Clock has increased by 75% (1750MHz vs 1000MHz)

More VRAM (16GB vs 3GB)

Larger VRAM bandwidth (1020GB/s vs 288.0GB/s)

1792 additional rendering cores

Lower TDP (295W vs 375W)

Score

Benchmark

FP32 (float)

Radeon VII +228%

13.44 TFLOPS

Radeon HD 8990 OEM

4.096 TFLOPS

Radeon VII

VS

Radeon HD 8990 OEM

Graphics Card

Feb 2019

Release Date

Apr 2013

Vega II

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1400 MHz

Base Clock

950 MHz

1750 MHz

Boost Clock

1000 MHz

Memory Clock

1500 MHz

Memory

16GB

Memory Size

3GB

HBM2

Memory Type

GDDR5

4096bit

Memory Bus

384bit

1020GB/s

Bandwidth

288.0GB/s

Render Config

60

Compute Units

32

-

3840

Shading Units

2048

240

TMUs

128

64

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

768 KB

-

Theoretical Performance

112.0 GPixel/s

Pixel Rate

32.00 GPixel/s

420.0 GTexel/s

Texture Rate

128.0 GTexel/s

26.88 TFLOPS

FP16 (half)

-

13.44 TFLOPS

FP32 (float)

4.096 TFLOPS

3.360 TFLOPS

FP64 (double)

1024 GFLOPS

Board Design

295W

TDP

375W

600 W

Suggested PSU

750 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

1x DVI 4x mini-DisplayPort 1.2

2x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Vega 20

GPU Name

Malta

Vega 20 XT

GPU Variant

Malta XT (215-0849026)

GCN 5.1

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

13.23 billion

Transistors

4.313 billion

331 mm²

Die Size

365 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

-

6.7

Shader Model

5.1

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