NVIDIA RTX A4000 Max-Q vs NVIDIA GeForce 820M

VS

NVIDIA RTX A4000 Max-Q NVIDIA GeForce 820M

We compared two Mobile platform GPUs: 8GB VRAM RTX A4000 Max Q and 2GB VRAM GeForce 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000 Max-Q 's Advantages

Released 6 years and 1 months late

Boost Clock1395MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (352.0GB/s vs 28.83GB/s)

4736 additional rendering cores

NVIDIA GeForce 820M 's Advantages

Lower TDP (45W vs 80W)

Score

Benchmark

FP32 (float)

RTX A4000 Max Q +2195%

14.28 TFLOPS

GeForce 820M

0.622 TFLOPS

RTX A4000 Max Q

VS

GeForce 820M

Graphics Card

Apr 2021

Release Date

Mar 2015

Quadro Ampere-M

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

780 MHz

Base Clock

-

1395 MHz

Boost Clock

-

1375 MHz

Memory Clock

901 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

128bit

352.0GB/s

Bandwidth

28.83GB/s

Render Config

40

SM Count

-

Compute Units

-

5120

Shading Units

384

160

TMUs

32

80

ROPs

16

160

Tensor Cores

-

40

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

256 KB

Theoretical Performance

111.6 GPixel/s

Pixel Rate

6.480 GPixel/s

223.2 GTexel/s

Texture Rate

25.92 GTexel/s

14.28 TFLOPS

FP16 (half)

-

14.28 TFLOPS

FP32 (float)

622.1 GFLOPS

223.2 GFLOPS

FP64 (double)

25.92 GFLOPS

Graphics Processor

GA104

GPU Name

GK107

-

GPU Variant

-

Ampere

Architecture

Kepler

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

17.4 billion

Transistors

1.27 billion

392 mm²

Die Size

118 mm²

Board Design

80W

TDP

45W

-

Suggested PSU

-

Portable Device Dependent

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

1.1

8.6

CUDA

3.0

6.7

Shader Model

5.1

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