NVIDIA B300 vs PowerColor Liquid Devil RX 6900 XT

Comparison of NVIDIA B300 with 144 GB HBM3e and 18,944 cores vs PowerColor Liquid Devil RX 6900 XT with 16 GB GDDR6 and 5,120 cores.

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Performance Rating

NVIDIA B300 outperforms PowerColor Liquid Devil RX 6900 XT by 458.46% 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

PowerColor Liquid Devil RX 6900 XT

12.9

PowerColor Liquid Devil RX 6900 XT

12.9

Contents:

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

Memory

Memory Size

🔥 +800% 144 ГБ ×2 (288 ГБ)
16 GB

Memory Type

HBM3e GDDR6

Memory Bandwidth

🔥 4.10 TB/s ×2 (8.2 TB/s)
512.0 GB/s

Memory Bus Width

4,096 бит ×2 (8192 бит) 256 бит

ML Performance

FP16 (Half Precision)

1.2318 TFLOPS
🔥 +3,832% 48.44 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +218% 76.99 TFLOPS
24.22 TFLOPS

FP64 (Double Precision)

1.2029 TFLOPS
🔥 +26% 1.514 TFLOPS

CUDA Cores

🔥 +270% 18,944 ×2 (37888)
5,120

RT Cores

No
🔥 80

Architecture & Compatibility

GPU Architecture

Blackwell Ultra RDNA 2.0

SM (Streaming Multiprocessor)

🔥 148
No

PCIe Version

PCIe 5.0 x16 PCIe 4.0 x16

ML Software Support

CUDA Version

10.3 No

Clocks & Performance

Base Clock

1,665
🔥 +17% 1,950

Boost Clock

2,032
🔥 +16% 2,365

Memory Clock

2,000 2,000

Power Consumption

Recommended PSU

1800 W
🔥 -61% 700 W

Power Connector

No 3x 8-pin

TDP/TGP

1400 W
🔥 -79% 300 W

Rendering

Texture Units (TMU)

🔥 +85% 592 ×2 (1184)
320

ROP

No
🔥 80

L2 Cache

🔥 +1,150% 50 MB
4 MB

Additional

Slots

🔥 SXM Module
Dual-slot

Release Date

Sept. 11, 2025 Oct. 28, 2020

Display Outputs

No outputs
1x HDMI 2.1
2x DisplayPort 1.4a
1x USB Type-C

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