Gainward GTS 450 GS vs NVIDIA B300

Comparison of Gainward GTS 450 GS with 1,024 GB GDDR5 and 192 cores vs NVIDIA B300 with 144 GB HBM3e and 18,944 cores.

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Performance Rating

NVIDIA B300 outperforms Gainward GTS 450 GS by 3,391.75% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

Gainward GTS 450 GS

2.1

Gainward GTS 450 GS

2.1
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

1,024 MB
🔥 144 ГБ ×2 (288 ГБ)

Memory Type

GDDR5 HBM3e

Memory Bandwidth

62.40 GB/s
🔥 4.10 TB/s ×2 (8.2 TB/s)

Memory Bus Width

128 бит 4,096 бит ×2 (8192 бит)

ML Performance

FP16 (Half Precision)

No
🔥 1.2318 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

0.6758 TFLOPS
🔥 +11,292% 76.99 TFLOPS

FP64 (Double Precision)

0.0563 TFLOPS
🔥 +2,037% 1.2029 TFLOPS

CUDA Cores

192
🔥 +9,767% 18,944 ×2 (37888)

RT Cores

No No

Architecture & Compatibility

GPU Architecture

Fermi Blackwell Ultra

SM (Streaming Multiprocessor)

4
🔥 +3,600% 148

PCIe Version

PCIe 2.0 x16 PCIe 5.0 x16

ML Software Support

CUDA Version

2.1
🔥 10.3

Clocks & Performance

Base Clock

No
🔥 1,665

Boost Clock

No
🔥 2,032

Memory Clock

975
🔥 +105% 2,000

Power Consumption

Recommended PSU

🔥 -83% 300 W
1800 W

Power Connector

1x 6-pin No

TDP/TGP

🔥 -92% 106 W
1400 W

Rendering

Texture Units (TMU)

32
🔥 +1,750% 592 ×2 (1184)

ROP

No No

L2 Cache

256 KB
🔥 50 MB

Additional

Slots

Dual-slot
🔥 SXM Module

Release Date

Sept. 13, 2010 Sept. 11, 2025

Display Outputs

2x DVI
1x mini-HDMI 1.3a

2x DVI
1x HDMI 1.3a
1x VGA
No outputs

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