NVIDIA GeForce GTX 780M vs NVIDIA GeForce GTX 860M OEM

VS

NVIDIA GeForce GTX 780M

NVIDIA GeForce GTX 860M OEM

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 780M and 2GB VRAM GeForce GTX 860M OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780M 's Advantages

More VRAM (4GB vs 2GB)

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

896 additional rendering cores

NVIDIA GeForce GTX 860M OEM 's Advantages

Released 1 years and 9 months late

Boost Clock has increased by 36% (1085MHz vs 797MHz)

Lower TDP (75W vs 122W)

Score

Benchmark

FP32 (float)

GeForce GTX 780M +76%

2.448 TFLOPS

GeForce GTX 860M OEM

1.389 TFLOPS

Blender

GeForce GTX 780M +71%

180

GeForce GTX 860M OEM

105

OctaneBench

GeForce GTX 780M

29

GeForce GTX 860M OEM +13%

33

GeForce GTX 780M

VS

GeForce GTX 860M OEM

Graphics Card

May 2013

Release Date

Feb 2015

GeForce 700M

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

771 MHz

Base Clock

1020 MHz

797 MHz

Boost Clock

1085 MHz

1250 MHz

Memory Clock

1253 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

80.19GB/s

Render Config

-

1536

Shading Units

640

128

TMUs

40

32

ROPs

16

-

16 KB (per SMX)

L1 Cache

64 KB (per SMM)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

25.50 GPixel/s

Pixel Rate

17.36 GPixel/s

102.0 GTexel/s

Texture Rate

43.40 GTexel/s

-

2.448 TFLOPS

FP32 (float)

1389 GFLOPS

102.0 GFLOPS

FP64 (double)

43.40 GFLOPS

Board Design

122W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GK104

GPU Name

GM107

N14E-GTX-A2

GPU Variant

N15P-GX-A1

Kepler

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

1.87 billion

294 mm²

Die Size

148 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

5.0

5.1

Shader Model

5.1

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