NVIDIA GeForce GTX 950M vs NVIDIA GeForce 820A

VS

NVIDIA GeForce GTX 950M

NVIDIA GeForce 820A

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 950M and 1024MB VRAM GeForce 820A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 950M 's Advantages

Released 1 years late

Boost Clock1124MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)

544 additional rendering cores

NVIDIA GeForce 820A 's Advantages

Lower TDP (15W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GTX 950M +382%

1.439 TFLOPS

GeForce 820A

0.298 TFLOPS

GeForce GTX 950M

VS

GeForce 820A

Graphics Card

Mar 2015

Release Date

Mar 2014

GeForce 900M

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

993 MHz

Base Clock

-

1124 MHz

Boost Clock

-

900 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

2

640

Shading Units

96

40

TMUs

16

ROPs

8

-

64 KB (per SMM)

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

128 KB

-

Theoretical Performance

17.98 GPixel/s

Pixel Rate

3.100 GPixel/s

44.96 GTexel/s

Texture Rate

12.40 GTexel/s

-

1439 GFLOPS

FP32 (float)

297.6 GFLOPS

44.96 GFLOPS

FP64 (double)

24.80 GFLOPS

Board Design

75W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM107

GPU Name

GF117

N16P-GT

GPU Variant

N15V-GM

Maxwell

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

0.585 billion

148 mm²

Die Size

116 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.0

CUDA

2.1

5.1

Shader Model

5.1

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