NVIDIA GeForce 820M vs NVIDIA GeForce RTX 4070 Mobile

VS

NVIDIA GeForce 820M

NVIDIA GeForce RTX 4070 Mobile

We compared two Mobile platform GPUs: 2GB VRAM GeForce 820M and 8GB VRAM GeForce RTX 4070 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 820M 's Advantages

Lower TDP (45W vs 115W)

NVIDIA GeForce RTX 4070 Mobile 's Advantages

Released 7 years and 10 months late

Boost Clock1695MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 28.83GB/s)

4224 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 820M

0.622 TFLOPS

GeForce RTX 4070 Mobile +2411%

15.62 TFLOPS

GeForce 820M

VS

GeForce RTX 4070 Mobile

Graphics Card

Mar 2015

Release Date

Jan 2023

GeForce 800M

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1395 MHz

-

Boost Clock

1695 MHz

901 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

8GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

128bit

28.83GB/s

Bandwidth

256.0GB/s

Render Config

-

SM Count

36

384

Shading Units

4608

32

TMUs

144

16

ROPs

48

-

Tensor Cores

144

-

RT Cores

36

16 KB (per SMX)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

32 MB

-

Theoretical Performance

6.480 GPixel/s

Pixel Rate

81.36 GPixel/s

25.92 GTexel/s

Texture Rate

244.1 GTexel/s

-

FP16 (half)

15.62 TFLOPS

622.1 GFLOPS

FP32 (float)

15.62 TFLOPS

25.92 GFLOPS

FP64 (double)

244.1 GFLOPS

Board Design

45W

TDP

115W

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

GK107

GPU Name

AD106

-

GPU Variant

GN21-X6

Kepler

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

1.27 billion

Transistors

Unknown

118 mm²

Die Size

190 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

8.9

5.1

Shader Model

6.7

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