MSI RTX 5090 LIGHTNING Z vs NVIDIA L20

Comparison of MSI RTX 5090 LIGHTNING Z with 32 GB GDDR7 and 21,760 cores vs NVIDIA L20 with 48 GB GDDR6 and 11,776 cores.

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Performance Rating

MSI RTX 5090 LIGHTNING Z outperforms NVIDIA L20 by 64.14% 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 L20

28.8

NVIDIA L20

28.8

Contents:

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

Memory

Memory Size

32 GB
🔥 +50% 48 ГБ

Memory Type

GDDR7 GDDR6

Memory Bandwidth

🔥 1.79 TB/s
864.0 GB/s

Memory Bus Width

512 бит 384 бит

ML Performance

FP16 (Half Precision)

🔥 +100% 118.8 TFLOPS
59.35 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +100% 118.8 TFLOPS
59.35 TFLOPS

FP64 (Double Precision)

🔥 +100% 1.856 TFLOPS
0.9274 TFLOPS

CUDA Cores

🔥 +85% 21,760
11,776

RT Cores

🔥 +85% 170
92

Architecture & Compatibility

GPU Architecture

Blackwell 2.0 Ada Lovelace

SM (Streaming Multiprocessor)

🔥 +85% 170
92

PCIe Version

PCIe 5.0 x16 PCIe 4.0 x16

ML Software Support

CUDA Version

🔥 12.0
8.9

Clocks & Performance

Base Clock

🔥 +40% 2,017
1,440

Boost Clock

🔥 +8% 2,730
2,520

Memory Clock

1,750
🔥 +29% 2,250

Power Consumption

Recommended PSU

1400 W
🔥 -57% 600 W

Power Connector

🔥 +100% 2x 16-pin
1x 16-pin

TDP/TGP

1000 W
🔥 -72% 275 W

Rendering

Texture Units (TMU)

🔥 +85% 680
368

ROP

🔥 +85% 170
92

L2 Cache

96 MB 96 MB

Additional

Slots

Triple-slot Dual-slot

Release Date

Jan. 6, 2026 Nov. 16, 2023

Display Outputs

1x HDMI 2.1b
3x DisplayPort 2.1b

1x HDMI 2.1b
3x DisplayPort 2.1b
1x USB Type-C
4x DisplayPort 1.4a

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