MSI RTX 5090 LIGHTNING Z vs NVIDIA GeForce GTX 660M

Comparison of MSI RTX 5090 LIGHTNING Z with 32 GB GDDR7 and 21,760 cores vs NVIDIA GeForce GTX 660M with 2 GB GDDR5 and 384 cores.

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Performance Rating

MSI RTX 5090 LIGHTNING Z outperforms NVIDIA GeForce GTX 660M by 5,262.5% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

MSI RTX 5090 LIGHTNING Z

47.2

MSI RTX 5090 LIGHTNING Z

47.2
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

NVIDIA GeForce GTX 660M

0.9

NVIDIA GeForce GTX 660M

0.9

Contents:

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

Memory

Memory Size

🔥 +1,500% 32 ГБ
2 GB

Memory Type

GDDR7 GDDR5

Memory Bandwidth

🔥 1.79 TB/s
80.00 GB/s

Memory Bus Width

512 бит 128 бит

ML Performance

FP16 (Half Precision)

🔥 118.8 TFLOPS
No

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +16,183% 118.8 TFLOPS
0.7296 TFLOPS

FP64 (Double Precision)

🔥 +6,005% 1.856 TFLOPS
0.0304 TFLOPS

CUDA Cores

🔥 +5,567% 21,760
384

RT Cores

🔥 170
No

Architecture & Compatibility

GPU Architecture

Blackwell 2.0 Kepler

SM (Streaming Multiprocessor)

🔥 170
No

PCIe Version

PCIe 5.0 x16 MXM-B (3.0)

ML Software Support

CUDA Version

🔥 12.0
3.0

Clocks & Performance

Base Clock

🔥 +142% 2,017
835

Boost Clock

🔥 +187% 2,730
950

Memory Clock

🔥 +40% 1,750
1,250

Power Consumption

Recommended PSU

1400 W No

Power Connector

🔥 2x 16-pin
None

TDP/TGP

1000 W
🔥 -95% 50 W

Rendering

Texture Units (TMU)

🔥 +2,025% 680
32

ROP

🔥 170
No

L2 Cache

🔥 96 MB
256 KB

Additional

Slots

Triple-slot MXM Module

Release Date

Jan. 6, 2026 March 22, 2012

Display Outputs

1x HDMI 2.1b
3x DisplayPort 2.1b

1x HDMI 2.1b
3x DisplayPort 2.1b
1x USB Type-C
Portable Device Dependent

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