AMD Radeon R9 M485X vs NVIDIA GeForce GTX 860M OEM

VS

AMD Radeon R9 M485X

NVIDIA GeForce GTX 860M OEM

We compared two Mobile platform GPUs: 8GB VRAM Radeon R9 M485X and 2GB VRAM GeForce GTX 860M OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M485X 's Advantages

Released 1 years and 3 months late

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 80.19GB/s)

1408 additional rendering cores

NVIDIA GeForce GTX 860M OEM 's Advantages

Boost Clock1085MHz

Lower TDP (75W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M485X +113%

2.961 TFLOPS

GeForce GTX 860M OEM

1.389 TFLOPS

Radeon R9 M485X

VS

GeForce GTX 860M OEM

Graphics Card

May 2016

Release Date

Feb 2015

Crystal System

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1020 MHz

-

Boost Clock

1085 MHz

1250 MHz

Memory Clock

1253 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

80.19GB/s

Render Config

32

Compute Units

-

2048

Shading Units

640

128

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

23.14 GPixel/s

Pixel Rate

17.36 GPixel/s

92.54 GTexel/s

Texture Rate

43.40 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

1389 GFLOPS

185.1 GFLOPS

FP64 (double)

43.40 GFLOPS

Board Design

250W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Amethyst

GPU Name

GM107

Amethyst XT

GPU Variant

N15P-GX-A1

GCN 3.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

1.87 billion

366 mm²

Die Size

148 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.0

6.3

Shader Model

5.1

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