AMD Radeon R9 M385 vs NVIDIA GeForce 945A

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385 and 1024MB VRAM GeForce 945A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M385 's Advantages

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (76.80GB/s vs 40.10GB/s)

512 additional rendering cores

NVIDIA GeForce 945A 's Advantages

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

Score

Benchmark

FP32 (float)

Radeon R9 M385 +96%

1.792 TFLOPS

GeForce 945A

0.913 TFLOPS

Radeon R9 M385

VS

GeForce 945A

Graphics Card

May 2015

Release Date

Mar 2015

Gem System

Generation

GeForce 900A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

900 MHz

Base Clock

1006 MHz

1000 MHz

Boost Clock

1189 MHz

1200 MHz

Memory Clock

1253 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

76.80GB/s

Bandwidth

40.10GB/s

Render Config

-

SM Count

-

14

Compute Units

-

896

Shading Units

384

56

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

1024 KB

Theoretical Performance

16.00 GPixel/s

Pixel Rate

9.512 GPixel/s

56.00 GTexel/s

Texture Rate

28.54 GTexel/s

-

FP16 (half)

-

1.792 TFLOPS

FP32 (float)

913.2 GFLOPS

112.0 GFLOPS

FP64 (double)

28.54 GFLOPS

Graphics Processor

Strato

GPU Name

GM108

Strato XT

GPU Variant

-

GCN 2.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

Unknown

160 mm²

Die Size

Unknown

Board Design

Unknown

TDP

33W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2.170

Vulkan

1.3

-

CUDA

5.0

6.5

Shader Model

5.1

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