AMD Radeon HD 8990 OEM vs AMD Radeon RX Vega 56

VS

AMD Radeon HD 8990 OEM AMD Radeon RX Vega 56

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8990 OEM and 8GB VRAM Radeon RX Vega 56 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX Vega 56 's Advantages

Released 4 years and 4 months late

Boost Clock has increased by 47% (1471MHz vs 1000MHz)

More VRAM (8GB vs 3GB)

Larger VRAM bandwidth (409.6GB/s vs 288.0GB/s)

1536 additional rendering cores

Lower TDP (210W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 8990 OEM

4.096 TFLOPS

Radeon RX Vega 56 +157%

10.54 TFLOPS

Radeon HD 8990 OEM

VS

Radeon RX Vega 56

Graphics Card

Apr 2013

Release Date

Aug 2017

Sea Islands

Generation

Vega

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

950 MHz

Base Clock

1156 MHz

1000 MHz

Boost Clock

1471 MHz

1500 MHz

Memory Clock

800 MHz

Memory

3GB

Memory Size

8GB

GDDR5

Memory Type

HBM2

384bit

Memory Bus

2048bit

288.0GB/s

Bandwidth

409.6GB/s

Render Config

-

SM Count

-

32

Compute Units

56

2048

Shading Units

3584

128

TMUs

224

32

ROPs

64

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

4 MB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

94.14 GPixel/s

128.0 GTexel/s

Texture Rate

329.5 GTexel/s

-

FP16 (half)

21.09 TFLOPS

4.096 TFLOPS

FP32 (float)

10.54 TFLOPS

1024 GFLOPS

FP64 (double)

659.0 GFLOPS

Graphics Processor

Malta

GPU Name

Vega 10

Malta XT (215-0849026)

GPU Variant

Vega 10 XL (215-0894216)

GCN 1.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

4.313 billion

Transistors

12.5 billion

365 mm²

Die Size

495 mm²

Board Design

375W

TDP

210W

750 W

Suggested PSU

550 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

2x 8-pin

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

5.1

Shader Model

6.4

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