AMD Radeon HD 7970 vs NVIDIA GeForce GTX 1070

VS

AMD Radeon HD 7970

NVIDIA GeForce GTX 1070

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 8GB VRAM GeForce GTX 1070 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 's Advantages

Larger VRAM bandwidth (264.0GB/s vs 256.3GB/s)

128 additional rendering cores

NVIDIA GeForce GTX 1070 's Advantages

Released 4 years and 6 months late

Boost Clock1683MHz

More VRAM (8GB vs 3GB)

Lower TDP (150W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 7970

3.789 TFLOPS

GeForce GTX 1070 +70%

6.463 TFLOPS

3DMark Time Spy

Radeon HD 7970

2279

GeForce GTX 1070 +166%

6067

Radeon HD 7970

VS

GeForce GTX 1070

Graphics Card

Dec 2011

Release Date

Jun 2016

Southern Islands

Generation

GeForce 10

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1506 MHz

-

Boost Clock

1683 MHz

1375 MHz

Memory Clock

2002 MHz

Memory

3GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

264.0GB/s

Bandwidth

256.3GB/s

Render Config

32

Compute Units

-

SM Count

15

2048

Shading Units

1920

128

TMUs

120

32

ROPs

64

-

16 KB (per CU)

L1 Cache

48 KB (per SM)

768 KB

L2 Cache

2 MB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

107.7 GPixel/s

118.4 GTexel/s

Texture Rate

202.0 GTexel/s

-

FP16 (half)

101.0 GFLOPS

3.789 TFLOPS

FP32 (float)

6.463 TFLOPS

947.2 GFLOPS

FP64 (double)

202.0 GFLOPS

Board Design

250W

TDP

150W

600 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 XT (215-0821060)

GPU Variant

GP104-200-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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