AMD Radeon R9 255 OEM vs AMD Radeon RX Vega Nano

VS

AMD Radeon R9 255 OEM

AMD Radeon RX Vega Nano

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 255 OEM and 8GB VRAM Radeon RX Vega Nano 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 175W)

AMD Radeon RX Vega Nano 's Advantages

Boost Clock has increased by 66% (1546MHz vs 930MHz)

More VRAM (8GB vs 2GB)

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

3584 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 255 OEM

0.952 TFLOPS

Radeon RX Vega Nano +1229%

12.66 TFLOPS

Radeon R9 255 OEM

VS

Radeon RX Vega Nano

Graphics Card

Dec 2013

Release Date

Unknown

Volcanic Islands

Generation

Vega

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

900 MHz

Base Clock

1247 MHz

930 MHz

Boost Clock

1546 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

64

-

512

Shading Units

4096

32

TMUs

256

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

98.94 GPixel/s

29.76 GTexel/s

Texture Rate

395.8 GTexel/s

-

952.3 GFLOPS

FP32 (float)

12.66 TFLOPS

59.52 GFLOPS

FP64 (double)

791.6 GFLOPS

Board Design

65W

TDP

175W

250 W

Suggested PSU

450 W

No outputs

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Cape Verde

GPU Name

Vega 10

Cape Verde PRX

GPU Variant

Vega 10 XT (215-0894200)

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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