NVIDIA GeForce GT 650M vs NVIDIA GeForce GTX 870M

VS

NVIDIA GeForce GT 650M

NVIDIA GeForce GTX 870M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 650M 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 GT 650M 's Advantages

Lower TDP (45W vs 100W)

NVIDIA GeForce GTX 870M 's Advantages

Released 2 years late

Boost Clock has increased by 2% (967MHz vs 950MHz)

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (120.0GB/s vs 28.80GB/s)

960 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 650M

0.73 TFLOPS

GeForce GTX 870M +256%

2.599 TFLOPS

GeForce GT 650M

VS

GeForce GTX 870M

Graphics Card

Mar 2012

Release Date

Mar 2014

GeForce 600M

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

835 MHz

Base Clock

941 MHz

950 MHz

Boost Clock

967 MHz

900 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

3GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

192bit

28.80GB/s

Bandwidth

120.0GB/s

Render Config

-

384

Shading Units

1344

32

TMUs

112

16

ROPs

24

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

384 KB

-

Theoretical Performance

7.600 GPixel/s

Pixel Rate

27.08 GPixel/s

30.40 GTexel/s

Texture Rate

108.3 GTexel/s

-

729.6 GFLOPS

FP32 (float)

2.599 TFLOPS

30.40 GFLOPS

FP64 (double)

108.3 GFLOPS

Board Design

45W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK107

GPU Name

GK104

N13P-GT-A2

GPU Variant

N15E-GT-A2

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

3.54 billion

118 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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