NVIDIA GeForce 945A vs NVIDIA GeForce GTX 670M

VS

NVIDIA GeForce 945A

NVIDIA GeForce GTX 670M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 945A and 1536MB VRAM GeForce GTX 670M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 945A 's Advantages

Released 3 years late

Boost Clock1189MHz

48 additional rendering cores

Lower TDP (33W vs 75W)

NVIDIA GeForce GTX 670M 's Advantages

More VRAM (1536GB vs 1024GB)

Larger VRAM bandwidth (72.00GB/s vs 40.10GB/s)

Score

Benchmark

FP32 (float)

GeForce 945A +13%

0.913 TFLOPS

GeForce GTX 670M

0.804 TFLOPS

GeForce 945A

VS

GeForce GTX 670M

Graphics Card

Mar 2015

Release Date

Mar 2012

GeForce 900A

Generation

GeForce 600M

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

750 MHz

Memory

1024MB

Memory Size

1536MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

192bit

40.10GB/s

Bandwidth

72.00GB/s

Render Config

-

SM Count

7

384

Shading Units

336

24

TMUs

56

8

ROPs

24

-

64 KB (per SMM)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

384 KB

-

Theoretical Performance

9.512 GPixel/s

Pixel Rate

8.372 GPixel/s

28.54 GTexel/s

Texture Rate

33.49 GTexel/s

-

913.2 GFLOPS

FP32 (float)

803.7 GFLOPS

28.54 GFLOPS

FP64 (double)

66.98 GFLOPS

Board Design

33W

TDP

75W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM108

GPU Name

GF114

-

GPU Variant

N13E-GS1-LP-A1

Maxwell

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

Unknown

Transistors

1.95 billion

Unknown

Die Size

332 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.0

CUDA

2.1

5.1

Shader Model

5.1

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