NVIDIA GeForce 800A vs NVIDIA GeForce 945A

VS

NVIDIA GeForce 800A

NVIDIA GeForce 945A

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 800A and 1024MB VRAM GeForce 945A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 800A 's Advantages

Lower TDP (15W vs 33W)

NVIDIA GeForce 945A 's Advantages

Released 1 years late

Boost Clock1189MHz

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

336 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 800A

0.091 TFLOPS

GeForce 945A +903%

0.913 TFLOPS

GeForce 800A

VS

GeForce 945A

Graphics Card

Mar 2014

Release Date

Mar 2015

GeForce 800A

Generation

GeForce 900A

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1006 MHz

-

Boost Clock

1189 MHz

900 MHz

Memory Clock

1253 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

40.10GB/s

Render Config

-

1

SM Count

-

48

Shading Units

384

8

TMUs

24

4

ROPs

8

-

64 KB (per SM)

L1 Cache

64 KB (per SMM)

128 KB

L2 Cache

1024 KB

-

Theoretical Performance

950.0 MPixel/s

Pixel Rate

9.512 GPixel/s

3.800 GTexel/s

Texture Rate

28.54 GTexel/s

-

91.20 GFLOPS

FP32 (float)

913.2 GFLOPS

7.600 GFLOPS

FP64 (double)

28.54 GFLOPS

Board Design

15W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF119

GPU Name

GM108

-

Fermi 2.0

Architecture

Maxwell

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.292 billion

Transistors

Unknown

79 mm²

Die Size

Unknown

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

2.1

CUDA

5.0

5.1

Shader Model

5.1

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