AMD Radeon R9 M385 vs NVIDIA GeForce GTX 860M OEM

VS

AMD Radeon R9 M385

NVIDIA GeForce GTX 860M OEM

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385 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 M385 's Advantages

More VRAM (4GB vs 2GB)

256 additional rendering cores

NVIDIA GeForce GTX 860M OEM 's Advantages

Boost Clock has increased by 8% (1085MHz vs 1000MHz)

Larger VRAM bandwidth (80.19GB/s vs 76.80GB/s)

Score

Benchmark

FP32 (float)

Radeon R9 M385 +29%

1.792 TFLOPS

GeForce GTX 860M OEM

1.389 TFLOPS

Radeon R9 M385

VS

GeForce GTX 860M OEM

Graphics Card

May 2015

Release Date

Feb 2015

Gem System

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

900 MHz

Base Clock

1020 MHz

1000 MHz

Boost Clock

1085 MHz

1200 MHz

Memory Clock

1253 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

76.80GB/s

Bandwidth

80.19GB/s

Render Config

14

Compute Units

-

896

Shading Units

640

56

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

17.36 GPixel/s

56.00 GTexel/s

Texture Rate

43.40 GTexel/s

-

1.792 TFLOPS

FP32 (float)

1389 GFLOPS

112.0 GFLOPS

FP64 (double)

43.40 GFLOPS

Board Design

Unknown

TDP

75W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Strato

GPU Name

GM107

Strato XT

GPU Variant

N15P-GX-A1

GCN 2.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

1.87 billion

160 mm²

Die Size

148 mm²

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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