NVIDIA GeForce GTX 850M vs AMD Radeon R5 A320

VS

NVIDIA GeForce GTX 850M

AMD Radeon R5 A320

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850M and 1024MB VRAM Radeon R5 A320 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 850M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (32.03GB/s vs 16.00GB/s)

320 additional rendering cores

AMD Radeon R5 A320 's Advantages

Released 10 months late

Boost Clock825MHz

Score

Benchmark

FP32 (float)

GeForce GTX 850M +118%

1.155 TFLOPS

Radeon R5 A320

0.528 TFLOPS

GeForce GTX 850M

VS

Radeon R5 A320

Graphics Card

Mar 2014

Release Date

Jan 2015

GeForce 800M

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

750 MHz

-

Boost Clock

825 MHz

1001 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

32.03GB/s

Bandwidth

16.00GB/s

Render Config

-

Compute Units

5

-

640

Shading Units

320

40

TMUs

20

16

ROPs

8

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

128 KB

-

Theoretical Performance

14.43 GPixel/s

Pixel Rate

6.600 GPixel/s

36.08 GTexel/s

Texture Rate

16.50 GTexel/s

-

1155 GFLOPS

FP32 (float)

528.0 GFLOPS

36.08 GFLOPS

FP64 (double)

-

Board Design

45W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GM107

GPU Name

Jet

N15P-GT-A1

GPU Variant

Jet PRO (216-0856040)

Maxwell

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

0.69 billion

148 mm²

Die Size

56 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1 (1.2)

1.3

Vulkan

1.2.170

5.0

CUDA

-

5.1

Shader Model

6.5 (5.1)

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