NVIDIA GeForce GT 650M vs AMD Radeon HD 7970M

VS

NVIDIA GeForce GT 650M

AMD Radeon HD 7970M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 650M and 2GB VRAM Radeon HD 7970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 650M 's Advantages

Boost Clock950MHz

Lower TDP (45W vs 100W)

AMD Radeon HD 7970M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 28.80GB/s)

896 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 650M

0.73 TFLOPS

Radeon HD 7970M +198%

2.176 TFLOPS

GeForce GT 650M

VS

Radeon HD 7970M

Graphics Card

Mar 2012

Release Date

Apr 2012

GeForce 600M

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

835 MHz

Base Clock

-

950 MHz

Boost Clock

-

900 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

20

-

384

Shading Units

1280

32

TMUs

80

16

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

7.600 GPixel/s

Pixel Rate

27.20 GPixel/s

30.40 GTexel/s

Texture Rate

68.00 GTexel/s

-

729.6 GFLOPS

FP32 (float)

2.176 TFLOPS

30.40 GFLOPS

FP64 (double)

136.0 GFLOPS

Board Design

45W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK107

GPU Name

Wimbledon

N13P-GT-A2

GPU Variant

Wimbledon XT (216-0836036)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

2.8 billion

118 mm²

Die Size

212 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

5.1

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