NVIDIA GeForce GTX 1080 vs AMD Radeon R9 390

VS

NVIDIA GeForce GTX 1080 AMD Radeon R9 390

We compared two Desktop platform GPUs: 8GB VRAM GeForce GTX 1080 and 8GB VRAM Radeon R9 390 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1080 's Advantages

Released 11 months late

Boost Clock1733MHz

Lower TDP (180W vs 275W)

AMD Radeon R9 390 's Advantages

Larger VRAM bandwidth (384.0GB/s vs 320.3GB/s)

Score

Benchmark

FP32 (float)

GeForce GTX 1080 +73%

8.873 TFLOPS

Radeon R9 390

5.12 TFLOPS

3DMark Time Spy

GeForce GTX 1080 +90%

7534

Radeon R9 390

3953

GeForce GTX 1080

VS

Radeon R9 390

Graphics Card

May 2016

Release Date

Jun 2015

GeForce 10

Generation

Pirate 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

1500 MHz

Memory

8GB

Memory Size

8GB

GDDR5X

Memory Type

GDDR5

256bit

Memory Bus

512bit

320.3GB/s

Bandwidth

384.0GB/s

Render Config

20

SM Count

-

Compute Units

40

2560

Shading Units

2560

160

TMUs

160

64

ROPs

64

-

Tensor Cores

-

RT Cores

-

48 KB (per SM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

1024 KB

Theoretical Performance

110.9 GPixel/s

Pixel Rate

64.00 GPixel/s

277.3 GTexel/s

Texture Rate

160.0 GTexel/s

138.6 GFLOPS

FP16 (half)

-

8.873 TFLOPS

FP32 (float)

5.120 TFLOPS

277.3 GFLOPS

FP64 (double)

640.0 GFLOPS

Graphics Processor

GP104

GPU Name

Grenada

GP104-400-A1

GPU Variant

Grenada PRO (215-0880030)

Pascal

Architecture

GCN 2.0

TSMC

Foundry

TSMC

16 nm

Process Size

28 nm

7.2 billion

Transistors

6.2 billion

314 mm²

Die Size

438 mm²

Board Design

180W

TDP

275W

450 W

Suggested PSU

600 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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