Galaxy GTX 660 Ti vs NVIDIA B300

Comparison of Galaxy GTX 660 Ti with 2 GB GDDR5 and 1,344 cores vs NVIDIA B300 with 144 GB HBM3e and 18,944 cores.

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Performance Rating

NVIDIA B300 outperforms Galaxy GTX 660 Ti by 3,325.24% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

Galaxy GTX 660 Ti

2.1

Galaxy GTX 660 Ti

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

2 GB
🔥 +7,100% 144 ГБ ×2 (288 ГБ)

Memory Type

GDDR5 HBM3e

Memory Bandwidth

144.2 GB/s
🔥 4.10 TB/s ×2 (8.2 TB/s)

Memory Bus Width

192 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)

2.634 TFLOPS
🔥 +2,823% 76.99 TFLOPS

FP64 (Double Precision)

0.1098 TFLOPS
🔥 +996% 1.2029 TFLOPS

CUDA Cores

1,344
🔥 +1,310% 18,944 ×2 (37888)

RT Cores

No No

Architecture & Compatibility

GPU Architecture

Kepler Blackwell Ultra

SM (Streaming Multiprocessor)

No
🔥 148

PCIe Version

PCIe 3.0 x16 PCIe 5.0 x16

ML Software Support

CUDA Version

3.0
🔥 10.3

Clocks & Performance

Base Clock

915
🔥 +82% 1,665

Boost Clock

980
🔥 +107% 2,032

Memory Clock

1,502
🔥 +33% 2,000

Power Consumption

Recommended PSU

🔥 -75% 450 W
1800 W

Power Connector

2x 6-pin No

TDP/TGP

🔥 -89% 150 W
1400 W

Rendering

Texture Units (TMU)

112
🔥 +429% 592 ×2 (1184)

ROP

No No

L2 Cache

384 KB
🔥 50 MB

Additional

Slots

Dual-slot
🔥 SXM Module

Release Date

Aug. 16, 2012 Sept. 11, 2025

Display Outputs

2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
No outputs

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