AMD Radeon HD 7970 X2 vs NVIDIA GeForce GT 630 OEM

VS

AMD Radeon HD 7970 X2

NVIDIA GeForce GT 630 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 1024MB VRAM GeForce GT 630 OEM 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 1024GB)

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

1856 additional rendering cores

NVIDIA GeForce GT 630 OEM 's Advantages

Lower TDP (50W vs 500W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 X2 +1027%

3.789 TFLOPS

GeForce GT 630 OEM

0.336 TFLOPS

Radeon HD 7970 X2

VS

GeForce GT 630 OEM

Graphics Card

Aug 2012

Release Date

Apr 2012

Southern Islands

Generation

GeForce 600

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

1024MB

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

3.500 GPixel/s

118.4 GTexel/s

Texture Rate

14.00 GTexel/s

-

3.789 TFLOPS

FP32 (float)

336.0 GFLOPS

947.2 GFLOPS

FP64 (double)

14.00 GFLOPS

Board Design

500W

TDP

50W

900 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

3x 8-pin

Power Connectors

None

Graphics Processor

New Zealand

GPU Name

GK107

-

GPU Variant

GK107-301-A2

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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