NVIDIA GeForce GTX 860M vs AMD Radeon R7 M340

VS

NVIDIA GeForce GTX 860M

AMD Radeon R7 M340

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 860M and 1024MB VRAM Radeon R7 M340 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 860M 's Advantages

Boost Clock has increased by 52% (1085MHz vs 715MHz)

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (80.19GB/s vs 16.00GB/s)

256 additional rendering cores

AMD Radeon R7 M340 's Advantages

Released 1 years and 11 months late

Score

Benchmark

FP32 (float)

GeForce GTX 860M +153%

1.389 TFLOPS

Radeon R7 M340

0.549 TFLOPS

GeForce GTX 860M

VS

Radeon R7 M340

Graphics Card

Jan 2014

Release Date

Dec 2015

GeForce 800M

Generation

Gem System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

1020 MHz

Base Clock

620 MHz

1085 MHz

Boost Clock

715 MHz

1253 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

80.19GB/s

Bandwidth

16.00GB/s

Render Config

-

Compute Units

6

-

640

Shading Units

384

40

TMUs

24

16

ROPs

8

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

17.36 GPixel/s

Pixel Rate

5.720 GPixel/s

43.40 GTexel/s

Texture Rate

17.16 GTexel/s

-

1389 GFLOPS

FP32 (float)

549.1 GFLOPS

43.40 GFLOPS

FP64 (double)

34.32 GFLOPS

Board Design

75W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

GM107

GPU Name

Opal

N15P-GX-A1

GPU Variant

Opal PRO

Maxwell

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

0.95 billion

148 mm²

Die Size

77 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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