NVIDIA GeForce RTX 4070 Mobile vs NVIDIA GeForce 820M

VS

NVIDIA GeForce RTX 4070 Mobile

NVIDIA GeForce 820M

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

Main Differences

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

NVIDIA GeForce 820M 's Advantages

Lower TDP (45W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 4070 Mobile +2411%

15.62 TFLOPS

GeForce 820M

0.622 TFLOPS

GeForce RTX 4070 Mobile

VS

GeForce 820M

Graphics Card

Jan 2023

Release Date

Mar 2015

GeForce 40 Mobile

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1395 MHz

Base Clock

-

1695 MHz

Boost Clock

-

2000 MHz

Memory Clock

901 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

128bit

Memory Bus

128bit

256.0GB/s

Bandwidth

28.83GB/s

Render Config

-

36

SM Count

-

4608

Shading Units

384

144

TMUs

32

48

ROPs

16

144

Tensor Cores

-

36

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

32 MB

L2 Cache

256 KB

-

Theoretical Performance

81.36 GPixel/s

Pixel Rate

6.480 GPixel/s

244.1 GTexel/s

Texture Rate

25.92 GTexel/s

15.62 TFLOPS

FP16 (half)

-

15.62 TFLOPS

FP32 (float)

622.1 GFLOPS

244.1 GFLOPS

FP64 (double)

25.92 GFLOPS

Board Design

115W

TDP

45W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

AD106

GPU Name

GK107

GN21-X6

GPU Variant

-

Ada Lovelace

Architecture

Kepler

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

Unknown

Transistors

1.27 billion

190 mm²

Die Size

118 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

8.9

CUDA

3.0

6.7

Shader Model

5.1

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