AMD Radeon R9 255 OEM vs AMD Radeon Pro V520

VS

AMD Radeon R9 255 OEM

AMD Radeon Pro V520

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 255 OEM and 8GB VRAM Radeon Pro V520 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 255 OEM 's Advantages

Lower TDP (65W vs 225W)

AMD Radeon Pro V520 's Advantages

Released 7 years late

Boost Clock has increased by 72% (1600MHz vs 930MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 73.60GB/s)

1792 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 255 OEM

0.952 TFLOPS

Radeon Pro V520 +674%

7.373 TFLOPS

Radeon R9 255 OEM

VS

Radeon Pro V520

Graphics Card

Dec 2013

Release Date

Dec 2020

Volcanic Islands

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

900 MHz

Base Clock

1000 MHz

930 MHz

Boost Clock

1600 MHz

1150 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

HBM2

128bit

Memory Bus

2048bit

73.60GB/s

Bandwidth

512.0GB/s

Render Config

8

Compute Units

36

-

512

Shading Units

2304

32

TMUs

144

16

ROPs

64

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

4 MB

-

Theoretical Performance

14.88 GPixel/s

Pixel Rate

102.4 GPixel/s

29.76 GTexel/s

Texture Rate

230.4 GTexel/s

-

FP16 (half)

14.75 TFLOPS

952.3 GFLOPS

FP32 (float)

7.373 TFLOPS

59.52 GFLOPS

FP64 (double)

460.8 GFLOPS

Board Design

65W

TDP

225W

250 W

Suggested PSU

550 W

No outputs

Outputs

No outputs

1x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Cape Verde

GPU Name

Navi 12

Cape Verde PRX

GPU Variant

Navi 12

GCN 1.0

Architecture

RDNA 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

1.5 billion

Transistors

Unknown

123 mm²

Die Size

Unknown

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

2.2

1.2

Vulkan

1.3

-

5.1

Shader Model

6.5

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