KFA2 RTX 4080 ST (1-Click OC) vs NVIDIA B300

Comparison of KFA2 RTX 4080 ST (1-Click OC) with 16 GB GDDR6X and 9,728 cores vs NVIDIA B300 with 144 GB HBM3e and 18,944 cores.

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Performance Rating

NVIDIA B300 outperforms KFA2 RTX 4080 ST (1-Click OC) by 255.39% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

KFA2 RTX 4080 ST (1-Click OC)

20.2

KFA2 RTX 4080 ST (1-Click OC)

20.2
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

GDDR6X HBM3e

Memory Bandwidth

716.8 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)

🔥 +3,857% 48.74 TFLOPS
1.2318 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

48.74 TFLOPS
🔥 +58% 76.99 TFLOPS

FP64 (Double Precision)

0.7615 TFLOPS
🔥 +58% 1.2029 TFLOPS

CUDA Cores

9,728
🔥 +95% 18,944 ×2 (37888)

RT Cores

🔥 76
No

Architecture & Compatibility

GPU Architecture

Ada Lovelace Blackwell Ultra

SM (Streaming Multiprocessor)

76
🔥 +95% 148

PCIe Version

PCIe 4.0 x16 PCIe 5.0 x16

ML Software Support

CUDA Version

8.9
🔥 10.3

Clocks & Performance

Base Clock

🔥 +32% 2,205
1,665

Boost Clock

🔥 +23% 2,505
2,032

Memory Clock

1,400
🔥 +43% 2,000

Power Consumption

Recommended PSU

🔥 -61% 700 W
1800 W

Power Connector

1x 16-pin No

TDP/TGP

🔥 -77% 320 W
1400 W

Rendering

Texture Units (TMU)

304
🔥 +95% 592 ×2 (1184)

ROP

🔥 76
No

L2 Cache

🔥 +28% 64 MB
50 MB

Additional

Slots

Triple-slot
🔥 SXM Module

Release Date

Sept. 20, 2022 Sept. 11, 2025

Display Outputs

1x HDMI 2.1
3x DisplayPort 1.4a
No outputs

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