NVIDIA GeForce RTX 3080 Max Q vs NVIDIA GeForce 845M

VS

NVIDIA GeForce RTX 3080 Max Q NVIDIA GeForce 845M

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 Max Q and 2GB VRAM GeForce 845M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Max Q 's Advantages

Released 5 years and 5 months late

Boost Clock has increased by 6% (1245MHz vs 1176MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (384.0GB/s vs 40.10GB/s)

5760 additional rendering cores

NVIDIA GeForce 845M 's Advantages

Lower TDP (33W vs 80W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Max Q +1594%

15.3 TFLOPS

GeForce 845M

0.903 TFLOPS

GeForce RTX 3080 Max Q

VS

GeForce 845M

Graphics Card

Jan 2021

Release Date

Aug 2015

GeForce 30 Mobile

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

780 MHz

Base Clock

1071 MHz

1245 MHz

Boost Clock

1176 MHz

1500 MHz

Memory Clock

1253 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

64bit

384.0GB/s

Bandwidth

40.10GB/s

Render Config

48

SM Count

-

Compute Units

-

6144

Shading Units

384

192

TMUs

32

96

ROPs

16

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SMM)

4 MB

L2 Cache

1024 KB

Theoretical Performance

119.5 GPixel/s

Pixel Rate

18.82 GPixel/s

239.0 GTexel/s

Texture Rate

37.63 GTexel/s

15.30 TFLOPS

FP16 (half)

-

15.30 TFLOPS

FP32 (float)

903.2 GFLOPS

239.0 GFLOPS

FP64 (double)

28.22 GFLOPS

Graphics Processor

GA104

GPU Name

GM108

GA104-775-A1

GPU Variant

-

Ampere

Architecture

Maxwell

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

17.4 billion

Transistors

Unknown

392 mm²

Die Size

Unknown

Board Design

80W

TDP

33W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

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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