NVIDIA GeForce RTX 3080 Mobile vs NVIDIA GeForce GTX 860M

VS

NVIDIA GeForce RTX 3080 Mobile

NVIDIA GeForce GTX 860M

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 Mobile and 4GB VRAM GeForce GTX 860M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Mobile 's Advantages

Released 7 years late

Boost Clock has increased by 42% (1545MHz vs 1085MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (448.0GB/s vs 80.19GB/s)

5504 additional rendering cores

NVIDIA GeForce GTX 860M 's Advantages

Lower TDP (75W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Mobile +1266%

18.98 TFLOPS

GeForce GTX 860M

1.389 TFLOPS

3DMark Time Spy

GeForce RTX 3080 Mobile +943%

11987

GeForce GTX 860M

1149

GeForce RTX 3080 Mobile

VS

GeForce GTX 860M

Graphics Card

Jan 2021

Release Date

Jan 2014

GeForce 30 Mobile

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1110 MHz

Base Clock

1020 MHz

1545 MHz

Boost Clock

1085 MHz

1750 MHz

Memory Clock

1253 MHz

Memory

8GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

80.19GB/s

Render Config

-

48

SM Count

-

6144

Shading Units

640

192

TMUs

40

96

ROPs

16

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SMM)

4 MB

L2 Cache

2 MB

-

Theoretical Performance

148.3 GPixel/s

Pixel Rate

17.36 GPixel/s

296.6 GTexel/s

Texture Rate

43.40 GTexel/s

18.98 TFLOPS

FP16 (half)

-

18.98 TFLOPS

FP32 (float)

1389 GFLOPS

296.6 GFLOPS

FP64 (double)

43.40 GFLOPS

Board Design

115W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GA104

GPU Name

GM107

GA104-775-A1

GPU Variant

N15P-GX-A1

Ampere

Architecture

Maxwell

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

17.4 billion

Transistors

1.87 billion

392 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

6.6

Shader Model

5.1

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