NVIDIA GeForce GTX 970 vs AMD Radeon HD 7970

VS

NVIDIA GeForce GTX 970

AMD Radeon HD 7970

We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 970 and 3GB VRAM Radeon HD 7970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 970 's Advantages

Released 2 years and 9 months late

Boost Clock1178MHz

More VRAM (4GB vs 3GB)

Lower TDP (148W vs 250W)

AMD Radeon HD 7970 's Advantages

Larger VRAM bandwidth (264.0GB/s vs 224.4GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 970 +3%

3.92 TFLOPS

Radeon HD 7970

3.789 TFLOPS

3DMark Time Spy

GeForce GTX 970 +59%

3625

Radeon HD 7970

2279

GeForce GTX 970

VS

Radeon HD 7970

Graphics Card

Sep 2014

Release Date

Dec 2011

GeForce 900

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1050 MHz

Base Clock

-

1178 MHz

Boost Clock

-

1753 MHz

Memory Clock

1375 MHz

Memory

4GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

224.4GB/s

Bandwidth

264.0GB/s

Render Config

-

Compute Units

32

-

1664

Shading Units

2048

104

TMUs

128

56

ROPs

32

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

768 KB

-

Theoretical Performance

65.97 GPixel/s

Pixel Rate

29.60 GPixel/s

122.5 GTexel/s

Texture Rate

118.4 GTexel/s

-

3.920 TFLOPS

FP32 (float)

3.789 TFLOPS

122.5 GFLOPS

FP64 (double)

947.2 GFLOPS

Board Design

148W

TDP

250W

300 W

Suggested PSU

600 W

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

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GM204

GPU Name

Tahiti

GM204-200-A1

GPU Variant

Tahiti XT (215-0821060)

Maxwell 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5.2 billion

Transistors

4.313 billion

398 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

5.2

CUDA

-

6.4

Shader Model

5.1

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