NVIDIA GeForce RTX 3080 Mobile vs NVIDIA GeForce RTX 4080 Mobile

VS

NVIDIA GeForce RTX 3080 Mobile

NVIDIA GeForce RTX 4080 Mobile

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 Mobile and 12GB VRAM GeForce RTX 4080 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Mobile 's Advantages

Larger VRAM bandwidth (448.0GB/s vs 432.0GB/s)

NVIDIA GeForce RTX 4080 Mobile 's Advantages

Released 2 years late

Boost Clock has increased by 8% (1665MHz vs 1545MHz)

More VRAM (12GB vs 8GB)

1280 additional rendering cores

Lower TDP (110W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Mobile

18.98 TFLOPS

GeForce RTX 4080 Mobile +30%

24.72 TFLOPS

3DMark Time Spy

GeForce RTX 3080 Mobile

11987

GeForce RTX 4080 Mobile +57%

18927

Blender

GeForce RTX 3080 Mobile

3357

GeForce RTX 4080 Mobile +74%

5849

OctaneBench

GeForce RTX 3080 Mobile

407

GeForce RTX 4080 Mobile +40%

572

Shadow of the Tomb Raider 2160p

GeForce RTX 3080 Mobile

47

GeForce RTX 4080 Mobile +78%

84

Shadow of the Tomb Raider 1440p

GeForce RTX 3080 Mobile

83

GeForce RTX 4080 Mobile +80%

150

Shadow of the Tomb Raider 1080p

GeForce RTX 3080 Mobile

110

GeForce RTX 4080 Mobile +76%

194

GTA 5 2160p

GeForce RTX 3080 Mobile

86

GeForce RTX 4080 Mobile +62%

140

GTA 5 1440p

GeForce RTX 3080 Mobile

92

GeForce RTX 4080 Mobile +52%

140

GTA 5 1080p

GeForce RTX 3080 Mobile

164

GeForce RTX 4080 Mobile +9%

180

GeForce RTX 3080 Mobile

VS

GeForce RTX 4080 Mobile

Graphics Card

Jan 2021

Release Date

Jan 2023

GeForce 30 Mobile

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1110 MHz

Base Clock

1290 MHz

1545 MHz

Boost Clock

1665 MHz

1750 MHz

Memory Clock

2250 MHz

Memory

8GB

Memory Size

12GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

192bit

448.0GB/s

Bandwidth

432.0GB/s

Render Config

-

48

SM Count

58

6144

Shading Units

7424

192

TMUs

232

96

ROPs

80

192

Tensor Cores

232

48

RT Cores

58

128 KB (per SM)

L1 Cache

128 KB (per SM)

4 MB

L2 Cache

48 MB

-

Theoretical Performance

148.3 GPixel/s

Pixel Rate

133.2 GPixel/s

296.6 GTexel/s

Texture Rate

386.3 GTexel/s

18.98 TFLOPS

FP16 (half)

24.72 TFLOPS

18.98 TFLOPS

FP32 (float)

24.72 TFLOPS

296.6 GFLOPS

FP64 (double)

386.3 GFLOPS

Board Design

115W

TDP

110W

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

GA104

GPU Name

AD104

GA104-775-A1

GPU Variant

GN21-X9

Ampere

Architecture

Ada Lovelace

Samsung

Foundry

TSMC

8 nm

Process Size

4 nm

17.4 billion

Transistors

35.8 billion

392 mm²

Die Size

295 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

8.6

CUDA

8.9

6.6

Shader Model

6.7

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