Gainward RTX 3080 Phoenix vs MSI RTX 5090 LIGHTNING Z

Comparison of Gainward RTX 3080 Phoenix with 12 GB GDDR6X and 8,960 cores vs MSI RTX 5090 LIGHTNING Z with 32 GB GDDR7 and 21,760 cores.

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Performance Rating

MSI RTX 5090 LIGHTNING Z outperforms Gainward RTX 3080 Phoenix by 187.57% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

Gainward RTX 3080 Phoenix

16.4

Gainward RTX 3080 Phoenix

16.4
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

MSI RTX 5090 LIGHTNING Z

47.2

MSI RTX 5090 LIGHTNING Z

47.2

Contents:

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

Memory

Memory Size

12 GB
🔥 +167% 32 ГБ

Memory Type

GDDR6X GDDR7

Memory Bandwidth

912.4 GB/s
🔥 1.79 TB/s

Memory Bus Width

384 бит 512 бит

ML Performance

FP16 (Half Precision)

30.64 TFLOPS
🔥 +288% 118.8 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

30.64 TFLOPS
🔥 +288% 118.8 TFLOPS

FP64 (Double Precision)

0.4788 TFLOPS
🔥 +288% 1.856 TFLOPS

CUDA Cores

8,960
🔥 +143% 21,760

RT Cores

70
🔥 +143% 170

Architecture & Compatibility

GPU Architecture

Ampere Blackwell 2.0

SM (Streaming Multiprocessor)

70
🔥 +143% 170

PCIe Version

PCIe 4.0 x16 PCIe 5.0 x16

ML Software Support

CUDA Version

8.6
🔥 12.0

Clocks & Performance

Base Clock

1,260
🔥 +60% 2,017

Boost Clock

1,710
🔥 +60% 2,730

Memory Clock

1,188
🔥 +47% 1,750

Power Consumption

Recommended PSU

🔥 -46% 750 W
1400 W

Power Connector

2x 8-pin
🔥 2x 16-pin

TDP/TGP

🔥 -65% 350 W
1000 W

Rendering

Texture Units (TMU)

280
🔥 +143% 680

ROP

70
🔥 +143% 170

L2 Cache

6 MB
🔥 +1,500% 96 MB

Additional

Slots

Triple-slot Triple-slot

Release Date

Jan. 11, 2022 Jan. 6, 2026

Display Outputs

1x HDMI 2.1
3x DisplayPort 1.4a
1x HDMI 2.1b
3x DisplayPort 2.1b

1x HDMI 2.1b
3x DisplayPort 2.1b
1x USB Type-C

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