MSI RTX 5090 LIGHTNING Z vs VASTARMOR RX 7800 XT Starry Sky

Comparison of MSI RTX 5090 LIGHTNING Z with 32 GB GDDR7 and 21,760 cores vs VASTARMOR RX 7800 XT Starry Sky with 16 GB GDDR6 and 3,840 cores.

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Performance Rating

MSI RTX 5090 LIGHTNING Z outperforms VASTARMOR RX 7800 XT Starry Sky by 177.59% 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

VASTARMOR RX 7800 XT Starry Sky

17.0

VASTARMOR RX 7800 XT Starry Sky

17.0

Contents:

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

Memory

Memory Size

🔥 +100% 32 ГБ
16 GB

Memory Type

GDDR7 GDDR6

Memory Bandwidth

🔥 1.79 TB/s
624.1 GB/s

Memory Bus Width

512 бит 256 бит

ML Performance

FP16 (Half Precision)

🔥 +59% 118.8 TFLOPS
74.65 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +218% 118.8 TFLOPS
37.32 TFLOPS

FP64 (Double Precision)

🔥 +59% 1.856 TFLOPS
1.1664 TFLOPS

CUDA Cores

🔥 +467% 21,760
3,840

RT Cores

🔥 +183% 170
60

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

🔥 +56% 2,017
1,295

Boost Clock

🔥 +12% 2,730
2,430

Memory Clock

1,750
🔥 +39% 2,438

Power Consumption

Recommended PSU

1400 W
🔥 -57% 600 W

Power Connector

🔥 2x 16-pin
2x 8-pin

TDP/TGP

1000 W
🔥 -74% 263 W

Rendering

Texture Units (TMU)

🔥 +183% 680
240

ROP

🔥 +183% 170
60

L2 Cache

🔥 +2,300% 96 MB
4 MB

Additional

Slots

Triple-slot Triple-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
3x DisplayPort 2.1

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