NVIDIA GeForce RTX 3080 Ti Mobile vs NVIDIA GeForce GTX 850M

VS

NVIDIA GeForce RTX 3080 Ti Mobile

NVIDIA GeForce GTX 850M

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 3080 Ti Mobile and 2GB VRAM GeForce GTX 850M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Ti Mobile 's Advantages

Released 7 years and 10 months late

Boost Clock1260MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 32.03GB/s)

6784 additional rendering cores

NVIDIA GeForce GTX 850M 's Advantages

Lower TDP (45W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti Mobile +1519%

18.71 TFLOPS

GeForce GTX 850M

1.155 TFLOPS

OctaneBench

GeForce RTX 3080 Ti Mobile +1500%

352

GeForce GTX 850M

22

GeForce RTX 3080 Ti Mobile

VS

GeForce GTX 850M

Graphics Card

Jan 2022

Release Date

Mar 2014

GeForce 30 Mobile

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

810 MHz

Base Clock

-

1260 MHz

Boost Clock

-

2000 MHz

Memory Clock

1001 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

32.03GB/s

Render Config

-

58

SM Count

-

7424

Shading Units

640

232

TMUs

40

96

ROPs

16

232

Tensor Cores

-

58

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SMM)

4 MB

L2 Cache

2 MB

-

Theoretical Performance

121.0 GPixel/s

Pixel Rate

14.43 GPixel/s

292.3 GTexel/s

Texture Rate

36.08 GTexel/s

18.71 TFLOPS

FP16 (half)

-

18.71 TFLOPS

FP32 (float)

1155 GFLOPS

292.3 GFLOPS

FP64 (double)

36.08 GFLOPS

Board Design

115W

TDP

45W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GA103S

GPU Name

GM107

GN20-E8-A1

GPU Variant

N15P-GT-A1

Ampere

Architecture

Maxwell

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

Unknown

Transistors

1.87 billion

496 mm²

Die Size

148 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.6

CUDA

5.0

6.5

Shader Model

5.1

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