Dell RTX 3080 Mobile 16 GB vs NVIDIA B300

Comparison of Dell RTX 3080 Mobile 16 GB with 16 GB GDDR6 and 6,144 cores vs NVIDIA B300 with 144 GB HBM3e and 18,944 cores.

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Performance Rating

NVIDIA B300 outperforms Dell RTX 3080 Mobile 16 GB by 520.09% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

Dell RTX 3080 Mobile 16 GB

11.6

Dell RTX 3080 Mobile 16 GB

11.6
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

NVIDIA B300

71.9

NVIDIA B300

71.9

Contents:

Memory ML Performance Compute Power Architecture & Compatibility ML Software Support Clocks & Performance Power Consumption Rendering Additional

Memory

Memory Size

16 GB
🔥 +800% 144 ГБ ×2 (288 ГБ)

Memory Type

GDDR6 HBM3e

Memory Bandwidth

448.0 GB/s
🔥 4.10 TB/s ×2 (8.2 TB/s)

Memory Bus Width

256 бит 4,096 бит ×2 (8192 бит)

ML Performance

FP16 (Half Precision)

🔥 +1,606% 21.01 TFLOPS
1.2318 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

21.01 TFLOPS
🔥 +266% 76.99 TFLOPS

FP64 (Double Precision)

0.3283 TFLOPS
🔥 +266% 1.2029 TFLOPS

CUDA Cores

6,144
🔥 +208% 18,944 ×2 (37888)

RT Cores

🔥 48
No

Architecture & Compatibility

GPU Architecture

Ampere Blackwell Ultra

SM (Streaming Multiprocessor)

48
🔥 +208% 148

PCIe Version

PCIe 4.0 x16 PCIe 5.0 x16

ML Software Support

CUDA Version

8.6
🔥 10.3

Clocks & Performance

Base Clock

1,350
🔥 +23% 1,665

Boost Clock

1,710
🔥 +19% 2,032

Memory Clock

1,750
🔥 +14% 2,000

Power Consumption

Recommended PSU

No 1800 W

Power Connector

None No

TDP/TGP

🔥 -89% 150 W
1400 W

Rendering

Texture Units (TMU)

192
🔥 +208% 592 ×2 (1184)

ROP

🔥 48
No

L2 Cache

4 MB
🔥 +1,150% 50 MB

Additional

Slots

No
🔥 SXM Module

Release Date

Jan. 12, 2021 Sept. 11, 2025

Display Outputs

Portable Device Dependent
No outputs

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