AMD Radeon HD 7970 vs NVIDIA GeForce GTX 1080 Ti

VS

AMD Radeon HD 7970 NVIDIA GeForce GTX 1080 Ti

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 11GB VRAM GeForce GTX 1080 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1080 Ti 's Advantages

Released 5 years and 3 months late

Boost Clock1582MHz

More VRAM (11GB vs 3GB)

Larger VRAM bandwidth (484.4GB/s vs 264.0GB/s)

1536 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7970

3.789 TFLOPS

GeForce GTX 1080 Ti +199%

11.34 TFLOPS

3DMark Time Spy

Radeon HD 7970

2279

GeForce GTX 1080 Ti +333%

9872

Radeon HD 7970

VS

GeForce GTX 1080 Ti

Graphics Card

Dec 2011

Release Date

Mar 2017

Southern Islands

Generation

GeForce 10

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1481 MHz

-

Boost Clock

1582 MHz

1375 MHz

Memory Clock

1376 MHz

Memory

3GB

Memory Size

11GB

GDDR5

Memory Type

GDDR5X

384bit

Memory Bus

352bit

264.0GB/s

Bandwidth

484.4GB/s

Render Config

-

SM Count

28

32

Compute Units

-

2048

Shading Units

3584

128

TMUs

224

32

ROPs

88

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

48 KB (per SM)

768 KB

L2 Cache

0 MB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

139.2 GPixel/s

118.4 GTexel/s

Texture Rate

354.4 GTexel/s

-

FP16 (half)

177.2 GFLOPS

3.789 TFLOPS

FP32 (float)

11.34 TFLOPS

947.2 GFLOPS

FP64 (double)

354.4 GFLOPS

Graphics Processor

Tahiti

GPU Name

GP102

Tahiti XT (215-0821060)

GPU Variant

GP102-350-K1-A1

GCN 1.0

Architecture

Pascal

TSMC

Foundry

TSMC

28 nm

Process Size

16 nm

4.313 billion

Transistors

11.8 billion

352 mm²

Die Size

471 mm²

Board Design

250W

TDP

250W

600 W

Suggested PSU

600 W

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

Outputs

1x HDMI 2.0 3x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

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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