GIGABYTE GTX 660 Ti WindForce 2X OC vs NVIDIA GeForce RTX 5090 Mobile

Comparison of GIGABYTE GTX 660 Ti WindForce 2X OC with 2 GB GDDR5 and 1,344 cores vs NVIDIA GeForce RTX 5090 Mobile with 24 GB GDDR7 and 10,496 cores.

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Performance Rating

NVIDIA GeForce RTX 5090 Mobile outperforms GIGABYTE GTX 660 Ti WindForce 2X OC by 713.78% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

GIGABYTE GTX 660 Ti WindForce 2X OC

2.3

GIGABYTE GTX 660 Ti WindForce 2X OC

2.3
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

NVIDIA GeForce RTX 5090 Mobile

18.3

NVIDIA GeForce RTX 5090 Mobile

18.3

Contents:

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

Memory

Memory Size

2 GB
🔥 +1,100% 24 ГБ

Memory Type

GDDR5 GDDR7

Memory Bandwidth

144.2 GB/s 896.0 GB/s

Memory Bus Width

192 бит 256 бит

ML Performance

FP16 (Half Precision)

No
🔥 33.52 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

2.984 TFLOPS
🔥 +1,023% 33.52 TFLOPS

FP64 (Double Precision)

0.1243 TFLOPS
🔥 +321% 0.5238 TFLOPS

CUDA Cores

1,344
🔥 +681% 10,496

RT Cores

No
🔥 82

Architecture & Compatibility

GPU Architecture

Kepler Blackwell 2.0

SM (Streaming Multiprocessor)

No
🔥 82

PCIe Version

PCIe 3.0 x16 PCIe 5.0 x16

ML Software Support

CUDA Version

3.0
🔥 12.0

Clocks & Performance

Base Clock

1,032
🔥 +6% 1,095

Boost Clock

1,110
🔥 +44% 1,597

Memory Clock

1,502
🔥 +17% 1,750

Power Consumption

Recommended PSU

450 W No

Power Connector

2x 6-pin None

TDP/TGP

150 W
🔥 -37% 95 W

Rendering

Texture Units (TMU)

112
🔥 +193% 328

ROP

No
🔥 82

L2 Cache

384 KB
🔥 64 MB

Additional

Slots

Dual-slot IGP

Release Date

Aug. 16, 2012 March 27, 2025

Display Outputs

2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Portable Device Dependent

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