AMD Radeon HD 7850M vs NVIDIA GeForce 945M

VS

AMD Radeon HD 7850M

NVIDIA GeForce 945M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7850M and 1024MB VRAM GeForce 945M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7850M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (64.00GB/s vs 16.02GB/s)

256 additional rendering cores

NVIDIA GeForce 945M 's Advantages

Released 4 years late

Boost Clock1189MHz

Lower TDP (23W vs 40W)

Score

Benchmark

FP32 (float)

Radeon HD 7850M

0.864 TFLOPS

GeForce 945M +5%

0.913 TFLOPS

Radeon HD 7850M

VS

GeForce 945M

Graphics Card

Apr 2012

Release Date

Apr 2016

London

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1006 MHz

-

Boost Clock

1189 MHz

1000 MHz

Memory Clock

1001 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

16.02GB/s

Render Config

10

Compute Units

-

640

Shading Units

384

40

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

9.512 GPixel/s

27.00 GTexel/s

Texture Rate

28.54 GTexel/s

-

864.0 GFLOPS

FP32 (float)

913.2 GFLOPS

54.00 GFLOPS

FP64 (double)

28.54 GFLOPS

Board Design

40W

TDP

23W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Heathrow

GPU Name

GM108

Heathrow PRO

GPU Variant

-

GCN 1.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

Unknown

123 mm²

Die Size

Unknown

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.0

5.1

Shader Model

5.1

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