NVIDIA GeForce 920M vs NVIDIA GeForce GTX 870M

VS

NVIDIA GeForce 920M

NVIDIA GeForce GTX 870M

We compared two Mobile platform GPUs: 2GB VRAM GeForce 920M 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 920M 's Advantages

Released 1 years late

Lower TDP (33W vs 100W)

NVIDIA GeForce GTX 870M 's Advantages

Boost Clock967MHz

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (120.0GB/s vs 14.40GB/s)

960 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 920M

0.733 TFLOPS

GeForce GTX 870M +254%

2.599 TFLOPS

GeForce 920M

VS

GeForce GTX 870M

Graphics Card

Mar 2015

Release Date

Mar 2014

GeForce 900M

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

941 MHz

-

Boost Clock

967 MHz

900 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

3GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

192bit

14.40GB/s

Bandwidth

120.0GB/s

Render Config

-

384

Shading Units

1344

32

TMUs

112

8

ROPs

24

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

384 KB

-

Theoretical Performance

7.632 GPixel/s

Pixel Rate

27.08 GPixel/s

30.53 GTexel/s

Texture Rate

108.3 GTexel/s

-

732.7 GFLOPS

FP32 (float)

2.599 TFLOPS

30.53 GFLOPS

FP64 (double)

108.3 GFLOPS

Board Design

33W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK208B

GPU Name

GK104

N16V-GM

GPU Variant

N15E-GT-A2

Kepler 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.02 billion

Transistors

3.54 billion

87 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

3.5

CUDA

3.0

5.1

Shader Model

5.1

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