MSI RTX 5090 LIGHTNING Z vs MSI RX 7700 XT MECH

Comparison of MSI RTX 5090 LIGHTNING Z with 32 GB GDDR7 and 21,760 cores vs MSI RX 7700 XT MECH with 12 GB GDDR6 and 3,456 cores.

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Performance Rating

MSI RTX 5090 LIGHTNING Z outperforms MSI RX 7700 XT MECH by 228.85% 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

MSI RX 7700 XT MECH

14.4

MSI RX 7700 XT MECH

14.4

Contents:

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

Memory

Memory Size

🔥 +167% 32 ГБ
12 GB

Memory Type

GDDR7 GDDR6

Memory Bandwidth

🔥 1.79 TB/s
432.0 GB/s

Memory Bus Width

512 бит 192 бит

ML Performance

FP16 (Half Precision)

🔥 +66% 118.8 TFLOPS
71.44 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +233% 118.8 TFLOPS
35.72 TFLOPS

FP64 (Double Precision)

🔥 +66% 1.856 TFLOPS
1.1163 TFLOPS

CUDA Cores

🔥 +530% 21,760
3,456

RT Cores

🔥 +215% 170
54

Architecture & Compatibility

GPU Architecture

Blackwell 2.0 RDNA 3.0

SM (Streaming Multiprocessor)

🔥 170
No

PCIe Version

PCIe 5.0 x16 PCIe 4.0 x16

ML Software Support

CUDA Version

12.0 No

Clocks & Performance

Base Clock

🔥 +26% 2,017
1,603

Boost Clock

🔥 +6% 2,730
2,584

Memory Clock

1,750
🔥 +29% 2,250

Power Consumption

Recommended PSU

1400 W
🔥 -61% 550 W

Power Connector

🔥 2x 16-pin
2x 8-pin

TDP/TGP

1000 W
🔥 -76% 245 W

Rendering

Texture Units (TMU)

🔥 +215% 680
216

ROP

🔥 +215% 170
54

L2 Cache

🔥 +4,700% 96 MB
2 MB

Additional

Slots

Triple-slot Dual-slot

Release Date

Jan. 6, 2026 Aug. 25, 2023

Display Outputs

1x HDMI 2.1b
3x DisplayPort 2.1b

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

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