NVIDIA GeForce 805A vs AMD Radeon R9 M395X

VS

NVIDIA GeForce 805A

AMD Radeon R9 M395X

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 805A and 8GB VRAM Radeon R9 M395X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 805A 's Advantages

Boost Clock758MHz

Lower TDP (15W vs 75W)

AMD Radeon R9 M395X 's Advantages

Released 10 months late

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 16.02GB/s)

1856 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 805A

0.291 TFLOPS

Radeon R9 M395X +917%

2.961 TFLOPS

GeForce 805A

VS

Radeon R9 M395X

Graphics Card

Jul 2014

Release Date

May 2015

GeForce 800A

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

719 MHz

Base Clock

-

758 MHz

Boost Clock

-

1001 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

8GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

16.02GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

32

-

192

Shading Units

2048

16

TMUs

128

8

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

6.064 GPixel/s

Pixel Rate

23.14 GPixel/s

12.13 GTexel/s

Texture Rate

92.54 GTexel/s

-

FP16 (half)

2.961 TFLOPS

291.1 GFLOPS

FP32 (float)

2.961 TFLOPS

12.13 GFLOPS

FP64 (double)

185.1 GFLOPS

Board Design

15W

TDP

75W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK208

GPU Name

Amethyst

-

GPU Variant

Amethyst XT

Kepler 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.02 billion

Transistors

5 billion

87 mm²

Die Size

366 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.1

Vulkan

1.2

3.5

CUDA

-

5.1

Shader Model

6.3

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