AMD Radeon HD 7970 GHz Edition vs NVIDIA GeForce GTX 1080

VS

AMD Radeon HD 7970 GHz Edition

NVIDIA GeForce GTX 1080

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 GHz Edition 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

Released 3 years and 11 months late

Boost Clock has increased by 65% (1733MHz vs 1050MHz)

More VRAM (8GB vs 3GB)

Larger VRAM bandwidth (320.3GB/s vs 288.0GB/s)

512 additional rendering cores

Lower TDP (180W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 GHz Edition

4.301 TFLOPS

GeForce GTX 1080 +106%

8.873 TFLOPS

Radeon HD 7970 GHz Edition

VS

GeForce GTX 1080

Graphics Card

Jun 2012

Release Date

May 2016

Southern Islands

Generation

GeForce 10

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

1607 MHz

1050 MHz

Boost Clock

1733 MHz

1500 MHz

Memory Clock

1251 MHz

Memory

3GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5X

384bit

Memory Bus

256bit

288.0GB/s

Bandwidth

320.3GB/s

Render Config

32

Compute Units

-

SM Count

20

2048

Shading Units

2560

128

TMUs

160

32

ROPs

64

-

16 KB (per CU)

L1 Cache

48 KB (per SM)

768 KB

L2 Cache

2 MB

-

Theoretical Performance

33.60 GPixel/s

Pixel Rate

110.9 GPixel/s

134.4 GTexel/s

Texture Rate

277.3 GTexel/s

-

FP16 (half)

138.6 GFLOPS

4.301 TFLOPS

FP32 (float)

8.873 TFLOPS

1075 GFLOPS

FP64 (double)

277.3 GFLOPS

Board Design

300W

TDP

180W

700 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.4a 2x mini-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 Processor

Tahiti

GPU Name

GP104

Tahiti XT2 (215-0821065)

GPU Variant

GP104-400-A1

GCN 1.0

Architecture

Pascal

TSMC

Foundry

TSMC

28 nm

Process Size

16 nm

4.313 billion

Transistors

7.2 billion

352 mm²

Die Size

314 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

6.1

5.1

Shader Model

6.4

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