NVIDIA B300 vs ZOTAC RTX 2080 X-Gaming OC

Comparison of NVIDIA B300 with 144 GB HBM3e and 18,944 cores vs ZOTAC RTX 2080 X-Gaming OC with 8 GB GDDR6 and 2,944 cores.

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Performance Rating

NVIDIA B300 outperforms ZOTAC RTX 2080 X-Gaming OC by 911.67% 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 2080 X-Gaming OC

7.1

ZOTAC RTX 2080 X-Gaming OC

7.1

Contents:

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

Memory

Memory Size

🔥 +1,700% 144 ГБ ×2 (288 ГБ)
8 GB

Memory Type

HBM3e GDDR6

Memory Bandwidth

🔥 4.10 TB/s ×2 (8.2 TB/s)
448.0 GB/s

Memory Bus Width

4,096 бит ×2 (8192 бит) 256 бит

ML Performance

FP16 (Half Precision)

🔥 1.2318 TFLOPS
20.84 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +639% 76.99 TFLOPS
10.42 TFLOPS

FP64 (Double Precision)

🔥 +269% 1.2029 TFLOPS
0.3257 TFLOPS

CUDA Cores

🔥 +543% 18,944 ×2 (37888)
2,944

RT Cores

No 46

Architecture & Compatibility

GPU Architecture

Blackwell Ultra Turing

SM (Streaming Multiprocessor)

🔥 +222% 148
46

PCIe Version

PCIe 5.0 x16 PCIe 3.0 x16

ML Software Support

CUDA Version

🔥 10.3
7.5

Clocks & Performance

Base Clock

🔥 +10% 1,665
1,515

Boost Clock

🔥 +15% 2,032
1,770

Memory Clock

🔥 +14% 2,000
1,750

Power Consumption

Recommended PSU

1800 W
🔥 -69% 550 W

Power Connector

No 1x 6-pin + 1x 8-pin

TDP/TGP

1400 W
🔥 -85% 215 W

Rendering

Texture Units (TMU)

🔥 +222% 592 ×2 (1184)
184

ROP

No 46

L2 Cache

🔥 +1,150% 50 MB
4 MB

Additional

Slots

🔥 SXM Module
Dual-slot

Release Date

Sept. 11, 2025 Sept. 20, 2018

Display Outputs

No outputs
1x HDMI 2.0
3x DisplayPort 1.4a
1x USB Type-C

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