Dell RTX 4080 Max-Q vs NVIDIA B300

Comparison of Dell RTX 4080 Max-Q with 12 GB GDDR6 and 7,424 cores vs NVIDIA B300 with 144 GB HBM3e and 18,944 cores.

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Performance Rating

NVIDIA B300 outperforms Dell RTX 4080 Max-Q by 588.98% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

Dell RTX 4080 Max-Q

10.4

Dell RTX 4080 Max-Q

10.4
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

12 GB
🔥 +1,100% 144 ГБ ×2 (288 ГБ)

Memory Type

GDDR6 HBM3e

Memory Bandwidth

432.0 GB/s
🔥 4.10 TB/s ×2 (8.2 TB/s)

Memory Bus Width

192 бит 4,096 бит ×2 (8192 бит)

ML Performance

FP16 (Half Precision)

🔥 +1,527% 20.04 TFLOPS
1.2318 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

20.04 TFLOPS
🔥 +284% 76.99 TFLOPS

FP64 (Double Precision)

0.3132 TFLOPS
🔥 +284% 1.2029 TFLOPS

CUDA Cores

7,424
🔥 +155% 18,944 ×2 (37888)

RT Cores

🔥 58
No

Architecture & Compatibility

GPU Architecture

Ada Lovelace Blackwell Ultra

SM (Streaming Multiprocessor)

58
🔥 +155% 148

PCIe Version

PCIe 4.0 x16 PCIe 5.0 x16

ML Software Support

CUDA Version

8.9
🔥 10.3

Clocks & Performance

Base Clock

795
🔥 +109% 1,665

Boost Clock

1,350
🔥 +51% 2,032

Memory Clock

🔥 +12% 2,250
2,000

Power Consumption

Recommended PSU

No 1800 W

Power Connector

None No

TDP/TGP

🔥 -96% 60 W
1400 W

Rendering

Texture Units (TMU)

232
🔥 +155% 592 ×2 (1184)

ROP

🔥 58
No

L2 Cache

48 MB
🔥 +4% 50 MB

Additional

Slots

IGP
🔥 SXM Module

Release Date

Jan. 3, 2023 Sept. 11, 2025

Display Outputs

Portable Device Dependent
No outputs

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