MSI RTX 5090 LIGHTNING Z vs SPARKLE Calibre GTX 660 OC

Comparison of MSI RTX 5090 LIGHTNING Z with 32 GB GDDR7 and 21,760 cores vs SPARKLE Calibre GTX 660 OC with 2 GB GDDR5 and 960 cores.

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Performance Rating

MSI RTX 5090 LIGHTNING Z outperforms SPARKLE Calibre GTX 660 OC by 2,410.11% 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

SPARKLE Calibre GTX 660 OC

1.9

SPARKLE Calibre GTX 660 OC

1.9

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
144.2 GB/s

Memory Bus Width

512 бит 192 бит

ML Performance

FP16 (Half Precision)

🔥 118.8 TFLOPS
No

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +5,405% 118.8 TFLOPS
2.158 TFLOPS

FP64 (Double Precision)

🔥 +1,965% 1.856 TFLOPS
0.0899 TFLOPS

CUDA Cores

🔥 +2,167% 21,760
960

RT Cores

🔥 170
No

Architecture & Compatibility

GPU Architecture

Blackwell 2.0 Kepler

SM (Streaming Multiprocessor)

🔥 170
No

PCIe Version

PCIe 5.0 x16 PCIe 3.0 x16

ML Software Support

CUDA Version

🔥 12.0
3.0

Clocks & Performance

Base Clock

🔥 +91% 2,017
1,058

Boost Clock

🔥 +143% 2,730
1,124

Memory Clock

🔥 +17% 1,750
1,502

Power Consumption

Recommended PSU

1400 W
🔥 -79% 300 W

Power Connector

🔥 +100% 2x 16-pin
1x 6-pin

TDP/TGP

1000 W
🔥 -86% 140 W

Rendering

Texture Units (TMU)

🔥 +750% 680
80

ROP

🔥 170
No

L2 Cache

🔥 96 MB
384 KB

Additional

Slots

Triple-slot Dual-slot

Release Date

Jan. 6, 2026 Nov. 23, 2012

Display Outputs

1x HDMI 2.1b
3x DisplayPort 2.1b

1x HDMI 2.1b
3x DisplayPort 2.1b
1x USB Type-C
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2

2x DVI
2x HDMI 1.4a

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