NVIDIA GeForce GTX 780M vs NVIDIA GeForce GTX 870M

VS

NVIDIA GeForce GTX 780M

NVIDIA GeForce GTX 870M

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 780M and 3GB VRAM GeForce GTX 870M 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 3GB)

Larger VRAM bandwidth (160.0GB/s vs 120.0GB/s)

192 additional rendering cores

NVIDIA GeForce GTX 870M 's Advantages

Released 10 months late

Boost Clock has increased by 21% (967MHz vs 797MHz)

Lower TDP (100W vs 122W)

Score

Benchmark

FP32 (float)

GeForce GTX 780M

2.448 TFLOPS

GeForce GTX 870M +6%

2.599 TFLOPS

GeForce GTX 780M

VS

GeForce GTX 870M

Graphics Card

May 2013

Release Date

Mar 2014

GeForce 700M

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

771 MHz

Base Clock

941 MHz

797 MHz

Boost Clock

967 MHz

1250 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

192bit

160.0GB/s

Bandwidth

120.0GB/s

Render Config

-

1536

Shading Units

1344

128

TMUs

112

32

ROPs

24

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

384 KB

-

Theoretical Performance

25.50 GPixel/s

Pixel Rate

27.08 GPixel/s

102.0 GTexel/s

Texture Rate

108.3 GTexel/s

-

2.448 TFLOPS

FP32 (float)

2.599 TFLOPS

102.0 GFLOPS

FP64 (double)

108.3 GFLOPS

Board Design

122W

TDP

100W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GK104

GPU Name

GK104

N14E-GTX-A2

GPU Variant

N15E-GT-A2

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

3.54 billion

294 mm²

Die Size

294 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.0

CUDA

3.0

5.1

Shader Model

5.1

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