AMD Radeon R9 255 OEM vs AMD Radeon RX Vega 56

VS

AMD Radeon R9 255 OEM

AMD Radeon RX Vega 56

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 255 OEM and 8GB VRAM Radeon RX Vega 56 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 210W)

AMD Radeon RX Vega 56 's Advantages

Released 3 years and 8 months late

Boost Clock has increased by 58% (1471MHz vs 930MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (409.6GB/s vs 73.60GB/s)

3072 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 255 OEM

0.952 TFLOPS

Radeon RX Vega 56 +1007%

10.54 TFLOPS

Radeon R9 255 OEM

VS

Radeon RX Vega 56

Graphics Card

Dec 2013

Release Date

Aug 2017

Volcanic Islands

Generation

Vega

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

900 MHz

Base Clock

1156 MHz

930 MHz

Boost Clock

1471 MHz

1150 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

HBM2

128bit

Memory Bus

2048bit

73.60GB/s

Bandwidth

409.6GB/s

Render Config

8

Compute Units

56

-

512

Shading Units

3584

32

TMUs

224

16

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

4 MB

-

Theoretical Performance

14.88 GPixel/s

Pixel Rate

94.14 GPixel/s

29.76 GTexel/s

Texture Rate

329.5 GTexel/s

-

FP16 (half)

21.09 TFLOPS

952.3 GFLOPS

FP32 (float)

10.54 TFLOPS

59.52 GFLOPS

FP64 (double)

659.0 GFLOPS

Board Design

65W

TDP

210W

250 W

Suggested PSU

550 W

No outputs

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Cape Verde

GPU Name

Vega 10

Cape Verde PRX

GPU Variant

Vega 10 XL (215-0894216)

GCN 1.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.5 billion

Transistors

12.5 billion

123 mm²

Die Size

495 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

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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