NVIDIA GeForce RTX 4080 Max-Q vs NVIDIA GeForce 820A

VS

NVIDIA GeForce RTX 4080 Max-Q

NVIDIA GeForce 820A

We compared two Mobile platform GPUs: 12GB VRAM GeForce RTX 4080 Max Q and 1024MB VRAM GeForce 820A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 Max-Q 's Advantages

Released 8 years and 10 months late

Boost Clock1350MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (336.0GB/s vs 14.40GB/s)

7328 additional rendering cores

NVIDIA GeForce 820A 's Advantages

Lower TDP (15W vs 60W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 Max Q +6624%

20.04 TFLOPS

GeForce 820A

0.298 TFLOPS

GeForce RTX 4080 Max Q

VS

GeForce 820A

Graphics Card

Jan 2023

Release Date

Mar 2014

GeForce 40 Mobile

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

795 MHz

Base Clock

-

1350 MHz

Boost Clock

-

1750 MHz

Memory Clock

900 MHz

Memory

12GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

192bit

Memory Bus

64bit

336.0GB/s

Bandwidth

14.40GB/s

Render Config

-

58

SM Count

2

7424

Shading Units

96

232

TMUs

16

80

ROPs

8

232

Tensor Cores

-

58

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

48 MB

L2 Cache

128 KB

-

Theoretical Performance

108.0 GPixel/s

Pixel Rate

3.100 GPixel/s

313.2 GTexel/s

Texture Rate

12.40 GTexel/s

20.04 TFLOPS

FP16 (half)

-

20.04 TFLOPS

FP32 (float)

297.6 GFLOPS

313.2 GFLOPS

FP64 (double)

24.80 GFLOPS

Board Design

60W

TDP

15W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

AD104

GPU Name

GF117

GN21-X9

GPU Variant

N15V-GM

Ada Lovelace

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

35.8 billion

Transistors

0.585 billion

295 mm²

Die Size

116 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

8.9

CUDA

2.1

6.7

Shader Model

5.1

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