NVIDIA GeForce 705M vs NVIDIA GeForce GTX 870M

VS

NVIDIA GeForce 705M

NVIDIA GeForce GTX 870M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 705M 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 705M 's Advantages

Lower TDP (15W vs 100W)

NVIDIA GeForce GTX 870M 's Advantages

Boost Clock967MHz

More VRAM (3GB vs 1024GB)

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

1296 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 705M

0.142 TFLOPS

GeForce GTX 870M +1730%

2.599 TFLOPS

GeForce 705M

VS

GeForce GTX 870M

Graphics Card

Unknown

Release Date

Mar 2014

GeForce 700M

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

941 MHz

-

Boost Clock

967 MHz

900 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

3GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

192bit

14.40GB/s

Bandwidth

120.0GB/s

Render Config

-

1

SM Count

-

48

Shading Units

1344

8

TMUs

112

4

ROPs

24

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

384 KB

-

Theoretical Performance

1.476 GPixel/s

Pixel Rate

27.08 GPixel/s

5.904 GTexel/s

Texture Rate

108.3 GTexel/s

-

141.7 GFLOPS

FP32 (float)

2.599 TFLOPS

11.81 GFLOPS

FP64 (double)

108.3 GFLOPS

Board Design

15W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GF119

GPU Name

GK104

GF119 B1

GPU Variant

N15E-GT-A2

Fermi 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.292 billion

Transistors

3.54 billion

79 mm²

Die Size

294 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

2.1

CUDA

3.0

5.1

Shader Model

5.1

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