NVIDIA GeForce GTX 1080 vs AMD Radeon HD 7970 X2

VS

NVIDIA GeForce GTX 1080

AMD Radeon HD 7970 X2

We compared two Desktop platform GPUs: 8GB VRAM GeForce GTX 1080 and 3GB VRAM Radeon HD 7970 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1080 's Advantages

Released 3 years and 9 months late

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 500W)

Score

Benchmark

FP32 (float)

GeForce GTX 1080 +134%

8.873 TFLOPS

Radeon HD 7970 X2

3.789 TFLOPS

GeForce GTX 1080

VS

Radeon HD 7970 X2

Graphics Card

May 2016

Release Date

Aug 2012

GeForce 10

Generation

Southern 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

-

Compute Units

32

20

SM Count

-

2560

Shading Units

2048

160

TMUs

128

64

ROPs

32

-

48 KB (per SM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

768 KB

-

Theoretical Performance

110.9 GPixel/s

Pixel Rate

29.60 GPixel/s

277.3 GTexel/s

Texture Rate

118.4 GTexel/s

138.6 GFLOPS

FP16 (half)

-

8.873 TFLOPS

FP32 (float)

3.789 TFLOPS

277.3 GFLOPS

FP64 (double)

947.2 GFLOPS

Board Design

180W

TDP

500W

450 W

Suggested PSU

900 W

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

Outputs

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

1x 8-pin

Power Connectors

3x 8-pin

Graphics Processor

GP104

GPU Name

New Zealand

GP104-400-A1

GPU Variant

-

Pascal

Architecture

GCN 1.0

TSMC

Foundry

TSMC

16 nm

Process Size

28 nm

7.2 billion

Transistors

4.313 billion

314 mm²

Die Size

352 mm²

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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