AMD Radeon R5 M445 vs NVIDIA GeForce 820M

VS

AMD Radeon R5 M445

NVIDIA GeForce 820M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R5 M445 and 2GB VRAM GeForce 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M445 's Advantages

Released 10 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (32.00GB/s vs 28.83GB/s)

Score

Benchmark

FP32 (float)

Radeon R5 M445 +13%

0.706 TFLOPS

GeForce 820M

0.622 TFLOPS

Radeon R5 M445

VS

GeForce 820M

Graphics Card

Jan 2016

Release Date

Mar 2015

Gem System

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

901 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

128bit

32.00GB/s

Bandwidth

28.83GB/s

Render Config

6

Compute Units

-

384

Shading Units

384

24

TMUs

32

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

7.360 GPixel/s

Pixel Rate

6.480 GPixel/s

22.08 GTexel/s

Texture Rate

25.92 GTexel/s

-

706.6 GFLOPS

FP32 (float)

622.1 GFLOPS

-

FP64 (double)

25.92 GFLOPS

Board Design

Unknown

TDP

45W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Meso

GPU Name

GK107

Meso XT (216-0864018)

GPU Variant

-

GCN 3.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.55 billion

Transistors

1.27 billion

125 mm²

Die Size

118 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2.170

Vulkan

1.1

-

CUDA

3.0

6.5

Shader Model

5.1

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