AMD Radeon RX 5500 XT vs AMD Radeon R9 255 OEM

VS

AMD Radeon RX 5500 XT AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 5500 XT 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 5500 XT 's Advantages

Released 6 years late

Boost Clock has increased by 98% (1845MHz vs 930MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 73.60GB/s)

896 additional rendering cores

AMD Radeon R9 255 OEM 's Advantages

Lower TDP (65W vs 130W)

Score

Benchmark

FP32 (float)

Radeon RX 5500 XT +445%

5.196 TFLOPS

Radeon R9 255 OEM

0.952 TFLOPS

Radeon RX 5500 XT

VS

Radeon R9 255 OEM

Graphics Card

Dec 2019

Release Date

Dec 2013

Navi

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1607 MHz

Base Clock

900 MHz

1845 MHz

Boost Clock

930 MHz

1750 MHz

Memory Clock

1150 MHz

Memory

4GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

128bit

224.0GB/s

Bandwidth

73.60GB/s

Render Config

-

SM Count

-

22

Compute Units

8

1408

Shading Units

512

88

TMUs

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

Theoretical Performance

59.04 GPixel/s

Pixel Rate

14.88 GPixel/s

162.4 GTexel/s

Texture Rate

29.76 GTexel/s

10.39 TFLOPS

FP16 (half)

-

5.196 TFLOPS

FP32 (float)

952.3 GFLOPS

324.7 GFLOPS

FP64 (double)

59.52 GFLOPS

Graphics Processor

Navi 14

GPU Name

Cape Verde

Navi 14 XTX (215-0932396)

GPU Variant

Cape Verde PRX

RDNA 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

6.4 billion

Transistors

1.5 billion

158 mm²

Die Size

123 mm²

Board Design

130W

TDP

65W

300 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

No outputs

1x 8-pin

Power Connectors

1x 6-pin

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

-

CUDA

-

6.5

Shader Model

5.1

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