NVIDIA GeForce 945A vs AMD Radeon R9 M280X

VS

NVIDIA GeForce 945A

AMD Radeon R9 M280X

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 945A and 4GB VRAM Radeon R9 M280X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 945A 's Advantages

Boost Clock has increased by 19% (1189MHz vs 1000MHz)

AMD Radeon R9 M280X 's Advantages

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (88.00GB/s vs 40.10GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 945A

0.913 TFLOPS

Radeon R9 M280X +96%

1.792 TFLOPS

GeForce 945A

VS

Radeon R9 M280X

Graphics Card

Mar 2015

Release Date

Feb 2015

GeForce 900A

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1006 MHz

Base Clock

900 MHz

1189 MHz

Boost Clock

1000 MHz

1253 MHz

Memory Clock

1375 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

40.10GB/s

Bandwidth

88.00GB/s

Render Config

-

Compute Units

14

-

384

Shading Units

896

24

TMUs

56

8

ROPs

16

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

9.512 GPixel/s

Pixel Rate

16.00 GPixel/s

28.54 GTexel/s

Texture Rate

56.00 GTexel/s

-

913.2 GFLOPS

FP32 (float)

1.792 TFLOPS

28.54 GFLOPS

FP64 (double)

112.0 GFLOPS

Board Design

33W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GM108

GPU Name

Saturn

-

GPU Variant

Saturn XT (216-0843024)

Maxwell

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

Unknown

Transistors

2.08 billion

Unknown

Die Size

160 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2.170

5.0

CUDA

-

5.1

Shader Model

6.5

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