NVIDIA GeForce 945A vs AMD Radeon HD 7970M

VS

NVIDIA GeForce 945A

AMD Radeon HD 7970M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 945A 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 945A 's Advantages

Released 2 years and 11 months late

Boost Clock1189MHz

Lower TDP (33W vs 100W)

AMD Radeon HD 7970M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 40.10GB/s)

896 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 945A

0.913 TFLOPS

Radeon HD 7970M +138%

2.176 TFLOPS

GeForce 945A

VS

Radeon HD 7970M

Graphics Card

Mar 2015

Release Date

Apr 2012

GeForce 900A

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

1006 MHz

Base Clock

-

1189 MHz

Boost Clock

-

1253 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

40.10GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

20

-

384

Shading Units

1280

24

TMUs

80

8

ROPs

32

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

9.512 GPixel/s

Pixel Rate

27.20 GPixel/s

28.54 GTexel/s

Texture Rate

68.00 GTexel/s

-

913.2 GFLOPS

FP32 (float)

2.176 TFLOPS

28.54 GFLOPS

FP64 (double)

136.0 GFLOPS

Board Design

33W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GM108

GPU Name

Wimbledon

-

GPU Variant

Wimbledon XT (216-0836036)

Maxwell

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

Unknown

Transistors

2.8 billion

Unknown

Die Size

212 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

5.0

CUDA

-

5.1

Shader Model

5.1

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