NVIDIA GeForce GTX 1080 vs AMD Radeon R9 285X

VS

NVIDIA GeForce GTX 1080 AMD Radeon R9 285X

We compared two Desktop platform GPUs: 8GB VRAM GeForce GTX 1080 and 3GB VRAM Radeon R9 285X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1080 's Advantages

Boost Clock1733MHz

More VRAM (8GB vs 3GB)

Larger VRAM bandwidth (320.3GB/s vs 264.0GB/s)

512 additional rendering cores

Lower TDP (180W vs 200W)

Score

Benchmark

FP32 (float)

GeForce GTX 1080 +116%

8.873 TFLOPS

Radeon R9 285X

4.104 TFLOPS

GeForce GTX 1080

VS

Radeon R9 285X

Graphics Card

May 2016

Release Date

Unknown

GeForce 10

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1607 MHz

Base Clock

-

1733 MHz

Boost Clock

-

1251 MHz

Memory Clock

1375 MHz

Memory

8GB

Memory Size

3GB

GDDR5X

Memory Type

GDDR5

256bit

Memory Bus

384bit

320.3GB/s

Bandwidth

264.0GB/s

Render Config

20

SM Count

-

Compute Units

32

2560

Shading Units

2048

160

TMUs

128

64

ROPs

32

-

Tensor Cores

-

RT Cores

-

48 KB (per SM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

768 KB

Theoretical Performance

110.9 GPixel/s

Pixel Rate

32.06 GPixel/s

277.3 GTexel/s

Texture Rate

128.3 GTexel/s

138.6 GFLOPS

FP16 (half)

-

8.873 TFLOPS

FP32 (float)

4.104 TFLOPS

277.3 GFLOPS

FP64 (double)

-

Graphics Processor

GP104

GPU Name

Tonga

GP104-400-A1

GPU Variant

Tonga XT (215-0851313)

Pascal

Architecture

GCN 3.0

TSMC

Foundry

TSMC

16 nm

Process Size

28 nm

7.2 billion

Transistors

5 billion

314 mm²

Die Size

366 mm²

Board Design

180W

TDP

200W

450 W

Suggested PSU

550 W

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.3

Vulkan

1.2

6.1

CUDA

-

6.4

Shader Model

6.3

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