NVIDIA GeForce RTX 4080 Mobile vs NVIDIA GeForce RTX 3080 Ti Mobile

VS

NVIDIA GeForce RTX 4080 Mobile

NVIDIA GeForce RTX 3080 Ti Mobile

We compared two Mobile platform GPUs: 12GB VRAM GeForce RTX 4080 Mobile and 16GB VRAM GeForce RTX 3080 Ti Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 Mobile 's Advantages

Released 1 years late

Boost Clock has increased by 32% (1665MHz vs 1260MHz)

Lower TDP (110W vs 115W)

NVIDIA GeForce RTX 3080 Ti Mobile 's Advantages

More VRAM (16GB vs 12GB)

Larger VRAM bandwidth (512.0GB/s vs 432.0GB/s)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 Mobile +32%

24.72 TFLOPS

GeForce RTX 3080 Ti Mobile

18.71 TFLOPS

3DMark Time Spy

GeForce RTX 4080 Mobile +48%

18927

GeForce RTX 3080 Ti Mobile

12729

Blender

GeForce RTX 4080 Mobile +56%

5849

GeForce RTX 3080 Ti Mobile

3726

OctaneBench

GeForce RTX 4080 Mobile +62%

572

GeForce RTX 3080 Ti Mobile

352

GeForce RTX 4080 Mobile

VS

GeForce RTX 3080 Ti Mobile

Graphics Card

Jan 2023

Release Date

Jan 2022

GeForce 40 Mobile

Generation

GeForce 30 Mobile

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1290 MHz

Base Clock

810 MHz

1665 MHz

Boost Clock

1260 MHz

2250 MHz

Memory Clock

2000 MHz

Memory

12GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

192bit

Memory Bus

256bit

432.0GB/s

Bandwidth

512.0GB/s

Render Config

-

58

SM Count

58

7424

Shading Units

7424

232

TMUs

232

80

ROPs

96

232

Tensor Cores

232

58

RT Cores

58

128 KB (per SM)

L1 Cache

128 KB (per SM)

48 MB

L2 Cache

4 MB

-

Theoretical Performance

133.2 GPixel/s

Pixel Rate

121.0 GPixel/s

386.3 GTexel/s

Texture Rate

292.3 GTexel/s

24.72 TFLOPS

FP16 (half)

18.71 TFLOPS

24.72 TFLOPS

FP32 (float)

18.71 TFLOPS

386.3 GFLOPS

FP64 (double)

292.3 GFLOPS

Board Design

110W

TDP

115W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

AD104

GPU Name

GA103S

GN21-X9

GPU Variant

GN20-E8-A1

Ada Lovelace

Architecture

Ampere

TSMC

Foundry

Samsung

4 nm

Process Size

8 nm

35.8 billion

Transistors

Unknown

295 mm²

Die Size

496 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.9

CUDA

8.6

6.7

Shader Model

6.5

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