NVIDIA B300 vs NVIDIA GeForce 8400M GT

Comparison of NVIDIA B300 with 144 GB HBM3e and 18,944 cores vs NVIDIA GeForce 8400M GT with 256 GB GDDR3 and 16 cores.

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Performance Rating

NVIDIA B300 outperforms NVIDIA GeForce 8400M GT by 31,173.91% 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

NVIDIA GeForce 8400M GT

0.2

NVIDIA GeForce 8400M GT

0.2

Contents:

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

Memory

Memory Size

🔥 144 ГБ ×2 (288 ГБ)
256 MB

Memory Type

HBM3e GDDR3

Memory Bandwidth

🔥 4.10 TB/s ×2 (8.2 TB/s)
19.26 GB/s

Memory Bus Width

4,096 бит ×2 (8192 бит) 128 бит

ML Performance

FP16 (Half Precision)

🔥 1.2318 TFLOPS
No

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +267,226% 76.99 TFLOPS
0.0288 TFLOPS

FP64 (Double Precision)

🔥 1.2029 TFLOPS
No

CUDA Cores

🔥 +118,300% 18,944 ×2 (37888)
16

RT Cores

No No

Architecture & Compatibility

GPU Architecture

Blackwell Ultra Tesla

SM (Streaming Multiprocessor)

🔥 +7,300% 148
2

PCIe Version

PCIe 5.0 x16 PCIe 1.0 x16

ML Software Support

CUDA Version

🔥 10.3
1.1

Clocks & Performance

Base Clock

🔥 1,665
No

Boost Clock

🔥 2,032
No

Memory Clock

🔥 +232% 2,000
602

Power Consumption

Recommended PSU

1800 W No

Power Connector

No None

TDP/TGP

1400 W
🔥 -99% 14 W

Rendering

Texture Units (TMU)

🔥 +7,300% 592 ×2 (1184)
8

ROP

No No

L2 Cache

🔥 +56% 50 MB
32 KB

Additional

Slots

🔥 SXM Module
MXM Module

Release Date

Sept. 11, 2025 May 9, 2007

Display Outputs

No outputs
Portable Device Dependent

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