MSI RTX 5090 LIGHTNING Z vs ZOTAC GT 640 2 GB

Comparison of MSI RTX 5090 LIGHTNING Z with 32 GB GDDR7 and 21,760 cores vs ZOTAC GT 640 2 GB with 2 GB GDDR5 and 384 cores.

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Performance Rating

MSI RTX 5090 LIGHTNING Z outperforms ZOTAC GT 640 2 GB by 6,109.21% 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

ZOTAC GT 640 2 GB

0.8

ZOTAC GT 640 2 GB

0.8

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
40.06 GB/s

Memory Bus Width

512 бит 64 бит

ML Performance

FP16 (Half Precision)

🔥 118.8 TFLOPS
No

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +14,689% 118.8 TFLOPS
0.8033 TFLOPS

FP64 (Double Precision)

🔥 +5,440% 1.856 TFLOPS
0.0335 TFLOPS

CUDA Cores

🔥 +5,567% 21,760
384

RT Cores

🔥 170
No

Architecture & Compatibility

GPU Architecture

Blackwell 2.0 Kepler 2.0

SM (Streaming Multiprocessor)

🔥 170
No

PCIe Version

PCIe 5.0 x16 PCIe 2.0 x8

ML Software Support

CUDA Version

🔥 12.0
3.5

Clocks & Performance

Base Clock

🔥 2,017
No

Boost Clock

🔥 2,730
No

Memory Clock

🔥 +40% 1,750
1,252

Power Consumption

Recommended PSU

1400 W
🔥 -86% 200 W

Power Connector

🔥 2x 16-pin
None

TDP/TGP

1000 W
🔥 -95% 49 W

Rendering

Texture Units (TMU)

🔥 +2,025% 680
32

ROP

🔥 170
No

L2 Cache

🔥 96 MB
512 KB

Additional

Slots

Triple-slot Single-slot

Release Date

Jan. 6, 2026 May 29, 2013

Display Outputs

1x HDMI 2.1b
3x DisplayPort 2.1b

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

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