AMD Radeon R5 M445 vs NVIDIA GeForce 840A

VS

AMD Radeon R5 M445

NVIDIA GeForce 840A

We compared two Mobile platform GPUs: 4GB VRAM Radeon R5 M445 and 2GB VRAM GeForce 840A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M445 's Advantages

Released 1 years and 10 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (32.00GB/s vs 16.02GB/s)

NVIDIA GeForce 840A 's Advantages

Boost Clock1124MHz

Score

Benchmark

FP32 (float)

Radeon R5 M445

0.706 TFLOPS

GeForce 840A +22%

0.863 TFLOPS

Radeon R5 M445

VS

GeForce 840A

Graphics Card

Jan 2016

Release Date

Mar 2014

Gem System

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1029 MHz

-

Boost Clock

1124 MHz

1000 MHz

Memory Clock

1001 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

64bit

32.00GB/s

Bandwidth

16.02GB/s

Render Config

6

Compute Units

-

384

Shading Units

384

24

TMUs

16

8

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

128 KB

L2 Cache

1024 KB

-

Theoretical Performance

7.360 GPixel/s

Pixel Rate

8.992 GPixel/s

22.08 GTexel/s

Texture Rate

17.98 GTexel/s

-

706.6 GFLOPS

FP32 (float)

863.2 GFLOPS

-

FP64 (double)

26.98 GFLOPS

Board Design

Unknown

TDP

33W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Meso

GPU Name

GM108

Meso XT (216-0864018)

GPU Variant

-

GCN 3.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.55 billion

Transistors

Unknown

125 mm²

Die Size

Unknown

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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