AMD Radeon RX 590 vs AMD Radeon R9 255 OEM

VS

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 590 and 2GB VRAM Radeon R9 255 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 4 years and 11 months late

Boost Clock has increased by 66% (1545MHz vs 930MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 73.60GB/s)

1792 additional rendering cores

AMD Radeon R9 255 OEM 's Advantages

Lower TDP (65W vs 175W)

Score

Benchmark

FP32 (float)

Radeon RX 590 +647%

7.119 TFLOPS

Radeon R9 255 OEM

0.952 TFLOPS

Radeon RX 590

VS

Radeon R9 255 OEM

Graphics Card

Nov 2018

Release Date

Dec 2013

Polaris

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1469 MHz

Base Clock

900 MHz

1545 MHz

Boost Clock

930 MHz

2000 MHz

Memory Clock

1150 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

256.0GB/s

Bandwidth

73.60GB/s

Render Config

-

SM Count

-

36

Compute Units

8

2304

Shading Units

512

144

TMUs

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

Theoretical Performance

49.44 GPixel/s

Pixel Rate

14.88 GPixel/s

222.5 GTexel/s

Texture Rate

29.76 GTexel/s

7.119 TFLOPS

FP16 (half)

-

7.119 TFLOPS

FP32 (float)

952.3 GFLOPS

445.0 GFLOPS

FP64 (double)

59.52 GFLOPS

Graphics Processor

Polaris 30

GPU Name

Cape Verde

Polaris 30 XT (215-0922006)

GPU Variant

Cape Verde PRX

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

12 nm

Process Size

28 nm

5.7 billion

Transistors

1.5 billion

232 mm²

Die Size

123 mm²

Board Design

175W

TDP

65W

450 W

Suggested PSU

250 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

No outputs

1x 8-pin

Power Connectors

1x 6-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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