NVIDIA GeForce GTX 870M vs AMD Radeon R5 M445

VS

NVIDIA GeForce GTX 870M

AMD Radeon R5 M445

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 870M and 4GB VRAM Radeon R5 M445 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 870M 's Advantages

Boost Clock967MHz

Larger VRAM bandwidth (120.0GB/s vs 32.00GB/s)

960 additional rendering cores

AMD Radeon R5 M445 's Advantages

Released 1 years and 10 months late

More VRAM (4GB vs 3GB)

Score

Benchmark

FP32 (float)

GeForce GTX 870M +268%

2.599 TFLOPS

Radeon R5 M445

0.706 TFLOPS

GeForce GTX 870M

VS

Radeon R5 M445

Graphics Card

Mar 2014

Release Date

Jan 2016

GeForce 800M

Generation

Gem System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

941 MHz

Base Clock

-

967 MHz

Boost Clock

-

1250 MHz

Memory Clock

1000 MHz

Memory

3GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

64bit

120.0GB/s

Bandwidth

32.00GB/s

Render Config

-

Compute Units

6

-

1344

Shading Units

384

112

TMUs

24

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

128 KB

-

Theoretical Performance

27.08 GPixel/s

Pixel Rate

7.360 GPixel/s

108.3 GTexel/s

Texture Rate

22.08 GTexel/s

-

2.599 TFLOPS

FP32 (float)

706.6 GFLOPS

108.3 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

GK104

GPU Name

Meso

N15E-GT-A2

GPU Variant

Meso XT (216-0864018)

Kepler

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

1.55 billion

294 mm²

Die Size

125 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2.170

3.0

CUDA

-

5.1

Shader Model

6.5

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