NVIDIA GeForce GTX 1080 vs AMD Radeon R9 255 OEM

VS

NVIDIA GeForce GTX 1080 AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 8GB VRAM GeForce GTX 1080 and 2GB VRAM Radeon R9 255 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1080 's Advantages

Released 2 years and 5 months late

Boost Clock has increased by 86% (1733MHz vs 930MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (320.3GB/s vs 73.60GB/s)

2048 additional rendering cores

AMD Radeon R9 255 OEM 's Advantages

Lower TDP (65W vs 180W)

Score

Benchmark

FP32 (float)

GeForce GTX 1080 +832%

8.873 TFLOPS

Radeon R9 255 OEM

0.952 TFLOPS

GeForce GTX 1080

VS

Radeon R9 255 OEM

Graphics Card

May 2016

Release Date

Dec 2013

GeForce 10

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1607 MHz

Base Clock

900 MHz

1733 MHz

Boost Clock

930 MHz

1251 MHz

Memory Clock

1150 MHz

Memory

8GB

Memory Size

2GB

GDDR5X

Memory Type

GDDR5

256bit

Memory Bus

128bit

320.3GB/s

Bandwidth

73.60GB/s

Render Config

20

SM Count

-

Compute Units

8

2560

Shading Units

512

160

TMUs

32

64

ROPs

16

-

Tensor Cores

-

RT Cores

-

48 KB (per SM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

Theoretical Performance

110.9 GPixel/s

Pixel Rate

14.88 GPixel/s

277.3 GTexel/s

Texture Rate

29.76 GTexel/s

138.6 GFLOPS

FP16 (half)

-

8.873 TFLOPS

FP32 (float)

952.3 GFLOPS

277.3 GFLOPS

FP64 (double)

59.52 GFLOPS

Graphics Processor

GP104

GPU Name

Cape Verde

GP104-400-A1

GPU Variant

Cape Verde PRX

Pascal

Architecture

GCN 1.0

TSMC

Foundry

TSMC

16 nm

Process Size

28 nm

7.2 billion

Transistors

1.5 billion

314 mm²

Die Size

123 mm²

Board Design

180W

TDP

65W

450 W

Suggested PSU

250 W

1x DVI 1x HDMI 2.0 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

3.0

OpenCL

1.2

1.3

Vulkan

1.2

6.1

CUDA

-

6.4

Shader Model

5.1

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