NVIDIA GeForce 945A vs NVIDIA GeForce 830M

VS

NVIDIA GeForce 945A

NVIDIA GeForce 830M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 945A and 2GB VRAM GeForce 830M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 945A 's Advantages

Released 1 years late

Boost Clock has increased by 3% (1189MHz vs 1150MHz)

Larger VRAM bandwidth (40.10GB/s vs 14.40GB/s)

128 additional rendering cores

NVIDIA GeForce 830M 's Advantages

More VRAM (2GB vs 1024GB)

Score

Benchmark

FP32 (float)

GeForce 945A +55%

0.913 TFLOPS

GeForce 830M

0.589 TFLOPS

GeForce 945A

VS

GeForce 830M

Graphics Card

Mar 2015

Release Date

Mar 2014

GeForce 900A

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1006 MHz

Base Clock

1082 MHz

1189 MHz

Boost Clock

1150 MHz

1253 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

64bit

40.10GB/s

Bandwidth

14.40GB/s

Render Config

-

384

Shading Units

256

24

TMUs

16

8

ROPs

8

-

64 KB (per SMM)

L1 Cache

64 KB (per SMM)

1024 KB

L2 Cache

1024 KB

-

Theoretical Performance

9.512 GPixel/s

Pixel Rate

9.200 GPixel/s

28.54 GTexel/s

Texture Rate

18.40 GTexel/s

-

913.2 GFLOPS

FP32 (float)

588.8 GFLOPS

28.54 GFLOPS

FP64 (double)

18.40 GFLOPS

Board Design

33W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM108

GPU Name

GM108

-

Maxwell

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

Unknown

Transistors

Unknown

Die Size

Unknown

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

5.0

CUDA

5.0

5.1

Shader Model

5.1

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