AMD Radeon HD 7970 X2 vs NVIDIA GeForce GTX 980

VS

AMD Radeon HD 7970 X2

NVIDIA GeForce GTX 980

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 4GB VRAM GeForce GTX 980 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 X2 's Advantages

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

NVIDIA GeForce GTX 980 's Advantages

Released 2 years and 1 months late

Boost Clock1216MHz

More VRAM (4GB vs 3GB)

Lower TDP (165W vs 500W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 X2

3.789 TFLOPS

GeForce GTX 980 +31%

4.981 TFLOPS

Radeon HD 7970 X2

VS

GeForce GTX 980

Graphics Card

Aug 2012

Release Date

Sep 2014

Southern Islands

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1127 MHz

-

Boost Clock

1216 MHz

1375 MHz

Memory Clock

1753 MHz

Memory

3GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

264.0GB/s

Bandwidth

224.4GB/s

Render Config

32

Compute Units

-

2048

Shading Units

2048

128

TMUs

128

32

ROPs

64

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

768 KB

L2 Cache

2 MB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

77.82 GPixel/s

118.4 GTexel/s

Texture Rate

155.6 GTexel/s

-

3.789 TFLOPS

FP32 (float)

4.981 TFLOPS

947.2 GFLOPS

FP64 (double)

155.6 GFLOPS

Board Design

500W

TDP

165W

900 W

Suggested PSU

450 W

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

Outputs

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

3x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

New Zealand

GPU Name

GM204

-

GPU Variant

GM204-400-A1

GCN 1.0

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

5.2 billion

352 mm²

Die Size

398 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

5.2

5.1

Shader Model

6.4

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