NVIDIA GeForce 820M vs NVIDIA GeForce GTX 950M

VS

NVIDIA GeForce 820M

NVIDIA GeForce GTX 950M

We compared two Mobile platform GPUs: 2GB VRAM GeForce 820M and 4GB VRAM GeForce GTX 950M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 820M 's Advantages

Larger VRAM bandwidth (28.83GB/s vs 28.80GB/s)

Lower TDP (45W vs 75W)

NVIDIA GeForce GTX 950M 's Advantages

Boost Clock1124MHz

More VRAM (4GB vs 2GB)

256 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 820M

0.622 TFLOPS

GeForce GTX 950M +131%

1.439 TFLOPS

GeForce 820M

VS

GeForce GTX 950M

Graphics Card

Mar 2015

Release Date

Mar 2015

GeForce 800M

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

993 MHz

-

Boost Clock

1124 MHz

901 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

28.83GB/s

Bandwidth

28.80GB/s

Render Config

-

384

Shading Units

640

32

TMUs

40

16

ROPs

16

-

16 KB (per SMX)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

6.480 GPixel/s

Pixel Rate

17.98 GPixel/s

25.92 GTexel/s

Texture Rate

44.96 GTexel/s

-

622.1 GFLOPS

FP32 (float)

1439 GFLOPS

25.92 GFLOPS

FP64 (double)

44.96 GFLOPS

Board Design

45W

TDP

75W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

GM107

-

GPU Variant

N16P-GT

Kepler

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

1.87 billion

118 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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