NVIDIA GeForce 945A vs NVIDIA GeForce GTX 670MX

VS

NVIDIA GeForce 945A

NVIDIA GeForce GTX 670MX

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 945A and 3GB VRAM GeForce GTX 670MX 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 5 months late

Boost Clock1189MHz

Lower TDP (33W vs 75W)

NVIDIA GeForce GTX 670MX 's Advantages

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (67.20GB/s vs 40.10GB/s)

576 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 945A

0.913 TFLOPS

GeForce GTX 670MX +26%

1.154 TFLOPS

GeForce 945A

VS

GeForce GTX 670MX

Graphics Card

Mar 2015

Release Date

Oct 2012

GeForce 900A

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1006 MHz

Base Clock

-

1189 MHz

Boost Clock

-

1253 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

192bit

40.10GB/s

Bandwidth

67.20GB/s

Render Config

-

384

Shading Units

960

24

TMUs

80

8

ROPs

24

-

64 KB (per SMM)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

384 KB

-

Theoretical Performance

9.512 GPixel/s

Pixel Rate

12.02 GPixel/s

28.54 GTexel/s

Texture Rate

48.08 GTexel/s

-

913.2 GFLOPS

FP32 (float)

1154 GFLOPS

28.54 GFLOPS

FP64 (double)

48.08 GFLOPS

Board Design

33W

TDP

75W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM108

GPU Name

GK104

-

GPU Variant

N13E-GR-A2

Maxwell

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

Unknown

Transistors

3.54 billion

Unknown

Die Size

294 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

5.0

CUDA

3.0

5.1

Shader Model

5.1

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