NVIDIA B300 vs ZOTAC RTX 3060 Thunderbolt HA

Comparison of NVIDIA B300 with 144 GB HBM3e and 18,944 cores vs ZOTAC RTX 3060 Thunderbolt HA with 12 GB GDDR6 and 3,584 cores.

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Performance Rating

NVIDIA B300 outperforms ZOTAC RTX 3060 Thunderbolt HA by 816.31% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

NVIDIA B300

71.9

NVIDIA B300

71.9
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

ZOTAC RTX 3060 Thunderbolt HA

7.9

ZOTAC RTX 3060 Thunderbolt HA

7.9

Contents:

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

Memory

Memory Size

🔥 +1,100% 144 ГБ ×2 (288 ГБ)
12 GB

Memory Type

HBM3e GDDR6

Memory Bandwidth

🔥 4.10 TB/s ×2 (8.2 TB/s)
360.0 GB/s

Memory Bus Width

4,096 бит ×2 (8192 бит) 192 бит

ML Performance

FP16 (Half Precision)

1.2318 TFLOPS
🔥 +934% 12.74 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +504% 76.99 TFLOPS
12.74 TFLOPS

FP64 (Double Precision)

🔥 +504% 1.2029 TFLOPS
0.199 TFLOPS

CUDA Cores

🔥 +429% 18,944 ×2 (37888)
3,584

RT Cores

No
🔥 28

Architecture & Compatibility

GPU Architecture

Blackwell Ultra Ampere

SM (Streaming Multiprocessor)

🔥 +429% 148
28

PCIe Version

PCIe 5.0 x16 PCIe 4.0 x16

ML Software Support

CUDA Version

🔥 10.3
8.6

Clocks & Performance

Base Clock

🔥 +26% 1,665
1,320

Boost Clock

🔥 +14% 2,032
1,777

Memory Clock

🔥 +7% 2,000
1,875

Power Consumption

Recommended PSU

1800 W
🔥 -75% 450 W

Power Connector

No 1x 8-pin

TDP/TGP

1400 W
🔥 -88% 170 W

Rendering

Texture Units (TMU)

🔥 +429% 592 ×2 (1184)
112

ROP

No
🔥 28

L2 Cache

🔥 +1,567% 50 MB
3 MB

Additional

Slots

🔥 SXM Module
Dual-slot

Release Date

Sept. 11, 2025 Jan. 12, 2021

Display Outputs

No outputs
1x HDMI 2.1
3x DisplayPort 1.4a

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