AMD Radeon R9 255 OEM vs AMD Radeon RX 550 512SP

VS

AMD Radeon R9 255 OEM

AMD Radeon RX 550 512SP

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 255 OEM and 2GB VRAM Radeon RX 550 512SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 512SP 's Advantages

Released 3 years and 10 months late

Boost Clock has increased by 15% (1071MHz vs 930MHz)

Larger VRAM bandwidth (96.00GB/s vs 73.60GB/s)

Lower TDP (50W vs 65W)

Score

Benchmark

FP32 (float)

Radeon R9 255 OEM

0.952 TFLOPS

Radeon RX 550 512SP +15%

1.097 TFLOPS

Radeon R9 255 OEM

VS

Radeon RX 550 512SP

Graphics Card

Dec 2013

Release Date

Oct 2017

Volcanic Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

900 MHz

Base Clock

1019 MHz

930 MHz

Boost Clock

1071 MHz

1150 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

73.60GB/s

Bandwidth

96.00GB/s

Render Config

8

Compute Units

8

-

512

Shading Units

512

32

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

14.88 GPixel/s

Pixel Rate

17.14 GPixel/s

29.76 GTexel/s

Texture Rate

34.27 GTexel/s

-

FP16 (half)

1097 GFLOPS

952.3 GFLOPS

FP32 (float)

1097 GFLOPS

59.52 GFLOPS

FP64 (double)

68.54 GFLOPS

Board Design

65W

TDP

50W

250 W

Suggested PSU

250 W

No outputs

Outputs

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

1x 6-pin

Power Connectors

None

Graphics Processor

Cape Verde

GPU Name

Baffin

Cape Verde PRX

GPU Variant

Baffin LE

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.5 billion

Transistors

3 billion

123 mm²

Die Size

123 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

5.1

Shader Model

6.4

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