AMD Radeon R9 285X vs NVIDIA GeForce GTX 1080

VS

AMD Radeon R9 285X NVIDIA GeForce GTX 1080

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 285X and 8GB VRAM GeForce GTX 1080 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)

Radeon R9 285X

4.104 TFLOPS

GeForce GTX 1080 +116%

8.873 TFLOPS

Radeon R9 285X

VS

GeForce GTX 1080

Graphics Card

Unknown

Release Date

May 2016

Volcanic Islands

Generation

GeForce 10

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1607 MHz

-

Boost Clock

1733 MHz

1375 MHz

Memory Clock

1251 MHz

Memory

3GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5X

384bit

Memory Bus

256bit

264.0GB/s

Bandwidth

320.3GB/s

Render Config

-

SM Count

20

32

Compute Units

-

2048

Shading Units

2560

128

TMUs

160

32

ROPs

64

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

48 KB (per SM)

768 KB

L2 Cache

2 MB

Theoretical Performance

32.06 GPixel/s

Pixel Rate

110.9 GPixel/s

128.3 GTexel/s

Texture Rate

277.3 GTexel/s

-

FP16 (half)

138.6 GFLOPS

4.104 TFLOPS

FP32 (float)

8.873 TFLOPS

-

FP64 (double)

277.3 GFLOPS

Graphics Processor

Tonga

GPU Name

GP104

Tonga XT (215-0851313)

GPU Variant

GP104-400-A1

GCN 3.0

Architecture

Pascal

TSMC

Foundry

TSMC

28 nm

Process Size

16 nm

5 billion

Transistors

7.2 billion

366 mm²

Die Size

314 mm²

Board Design

200W

TDP

180W

550 W

Suggested PSU

450 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

6.1

6.3

Shader Model

6.4

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