AMD Radeon HD 7970 X2 vs NVIDIA NVS 1000

VS

AMD Radeon HD 7970 X2

NVIDIA NVS 1000

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 2GB VRAM NVS 1000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 X2 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (264.0GB/s vs 28.51GB/s)

1856 additional rendering cores

NVIDIA NVS 1000 's Advantages

Lower TDP (35W vs 500W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 X2 +1138%

3.789 TFLOPS

NVS 1000

0.306 TFLOPS

Radeon HD 7970 X2

VS

NVS 1000

Graphics Card

Aug 2012

Release Date

Unknown

Southern Islands

Generation

NVS

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

891 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

128bit

264.0GB/s

Bandwidth

28.51GB/s

Render Config

32

Compute Units

-

2048

Shading Units

192

128

TMUs

16

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

768 KB

L2 Cache

256 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

3.188 GPixel/s

118.4 GTexel/s

Texture Rate

12.75 GTexel/s

-

3.789 TFLOPS

FP32 (float)

306.0 GFLOPS

947.2 GFLOPS

FP64 (double)

12.75 GFLOPS

Board Design

500W

TDP

35W

900 W

Suggested PSU

200 W

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

Outputs

4x mini-DisplayPort 1.2

3x 8-pin

Power Connectors

-

Graphics Processor

New Zealand

GPU Name

GK107

-

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

1.27 billion

352 mm²

Die Size

118 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

5.1

Shader Model

5.1

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