NVIDIA GeForce GTX 850A vs NVIDIA GeForce RTX 2080 Mobile

VS

NVIDIA GeForce GTX 850A NVIDIA GeForce RTX 2080 Mobile

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850A and 8GB VRAM GeForce RTX 2080 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 850A 's Advantages

Lower TDP (45W vs 150W)

NVIDIA GeForce RTX 2080 Mobile 's Advantages

Released 4 years and 10 months late

Boost Clock has increased by 70% (1590MHz vs 936MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 28.80GB/s)

2304 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 850A

1.198 TFLOPS

GeForce RTX 2080 Mobile +681%

9.362 TFLOPS

GeForce GTX 850A

VS

GeForce RTX 2080 Mobile

Graphics Card

Mar 2014

Release Date

Jan 2019

GeForce 800A

Generation

GeForce 20 Mobile

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

902 MHz

Base Clock

1380 MHz

936 MHz

Boost Clock

1590 MHz

900 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

8GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

448.0GB/s

Render Config

-

SM Count

46

-

Compute Units

-

640

Shading Units

2944

40

TMUs

184

16

ROPs

64

-

Tensor Cores

368

-

RT Cores

46

64 KB (per SMM)

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

4 MB

Theoretical Performance

14.98 GPixel/s

Pixel Rate

101.8 GPixel/s

37.44 GTexel/s

Texture Rate

292.6 GTexel/s

-

FP16 (half)

18.72 TFLOPS

1198 GFLOPS

FP32 (float)

9.362 TFLOPS

37.44 GFLOPS

FP64 (double)

292.6 GFLOPS

Graphics Processor

GM107

GPU Name

TU104

N15P-GT-A1

GPU Variant

N18E-G3-A1

Maxwell

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

1.87 billion

Transistors

13.6 billion

148 mm²

Die Size

545 mm²

Board Design

45W

TDP

150W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

5.0

CUDA

7.5

5.1

Shader Model

6.6

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