NVIDIA GeForce 800A vs AMD Radeon R9 M395X Mac Edition

VS

NVIDIA GeForce 800A AMD Radeon R9 M395X Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 800A and 4GB VRAM Radeon R9 M395X Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 800A 's Advantages

Lower TDP (15W vs 250W)

AMD Radeon R9 M395X Mac Edition 's Advantages

Released 1 years and 2 months late

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (174.7GB/s vs 14.40GB/s)

2000 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 800A

0.091 TFLOPS

Radeon R9 M395X Mac Edition +3991%

3.723 TFLOPS

GeForce 800A

VS

Radeon R9 M395X Mac Edition

Graphics Card

Mar 2014

Release Date

May 2015

GeForce 800A

Generation

Crystal System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

1365 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

174.7GB/s

Render Config

1

SM Count

-

Compute Units

32

48

Shading Units

2048

8

TMUs

128

4

ROPs

32

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

Theoretical Performance

950.0 MPixel/s

Pixel Rate

29.09 GPixel/s

3.800 GTexel/s

Texture Rate

116.4 GTexel/s

-

FP16 (half)

3.723 TFLOPS

91.20 GFLOPS

FP32 (float)

3.723 TFLOPS

7.600 GFLOPS

FP64 (double)

232.7 GFLOPS

Graphics Processor

GF119

GPU Name

Amethyst

-

GPU Variant

Amethyst XT

Fermi 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.292 billion

Transistors

5 billion

79 mm²

Die Size

366 mm²

Board Design

15W

TDP

250W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.1

OpenCL

2.0

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

6.3

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