AMD Radeon RX 590 vs AMD Radeon HD 8990 OEM

VS

AMD Radeon RX 590 AMD Radeon HD 8990 OEM

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 590 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 RX 590 's Advantages

Released 5 years and 7 months late

Boost Clock has increased by 54% (1545MHz vs 1000MHz)

More VRAM (8GB vs 3GB)

256 additional rendering cores

Lower TDP (175W vs 375W)

AMD Radeon HD 8990 OEM 's Advantages

Larger VRAM bandwidth (288.0GB/s vs 256.0GB/s)

Score

Benchmark

FP32 (float)

Radeon RX 590 +73%

7.119 TFLOPS

Radeon HD 8990 OEM

4.096 TFLOPS

Radeon RX 590

VS

Radeon HD 8990 OEM

Graphics Card

Nov 2018

Release Date

Apr 2013

Polaris

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1469 MHz

Base Clock

950 MHz

1545 MHz

Boost Clock

1000 MHz

2000 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

256.0GB/s

Bandwidth

288.0GB/s

Render Config

-

SM Count

-

36

Compute Units

32

2304

Shading Units

2048

144

TMUs

128

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

768 KB

Theoretical Performance

49.44 GPixel/s

Pixel Rate

32.00 GPixel/s

222.5 GTexel/s

Texture Rate

128.0 GTexel/s

7.119 TFLOPS

FP16 (half)

-

7.119 TFLOPS

FP32 (float)

4.096 TFLOPS

445.0 GFLOPS

FP64 (double)

1024 GFLOPS

Graphics Processor

Polaris 30

GPU Name

Malta

Polaris 30 XT (215-0922006)

GPU Variant

Malta XT (215-0849026)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

12 nm

Process Size

28 nm

5.7 billion

Transistors

4.313 billion

232 mm²

Die Size

365 mm²

Board Design

175W

TDP

375W

450 W

Suggested PSU

750 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 8-pin

Power Connectors

2x 8-pin

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

5.1

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