ASRock RX 7800 XT Challenger OC vs MSI RTX 5090 LIGHTNING Z

Comparison of ASRock RX 7800 XT Challenger OC with 16 GB GDDR6 and 3,840 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 ASRock RX 7800 XT Challenger OC by 174.68% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

ASRock RX 7800 XT Challenger OC

17.2

ASRock RX 7800 XT Challenger OC

17.2
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

16 GB
🔥 +100% 32 ГБ

Memory Type

GDDR6 GDDR7

Memory Bandwidth

624.1 GB/s
🔥 1.79 TB/s

Memory Bus Width

256 бит 512 бит

ML Performance

FP16 (Half Precision)

76.03 TFLOPS
🔥 +56% 118.8 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

38.02 TFLOPS
🔥 +212% 118.8 TFLOPS

FP64 (Double Precision)

1.188 TFLOPS
🔥 +56% 1.856 TFLOPS

CUDA Cores

3,840
🔥 +467% 21,760

RT Cores

60
🔥 +183% 170

Architecture & Compatibility

GPU Architecture

RDNA 3.0 Blackwell 2.0

SM (Streaming Multiprocessor)

No
🔥 170

PCIe Version

PCIe 4.0 x16 PCIe 5.0 x16

ML Software Support

CUDA Version

No 12.0

Clocks & Performance

Base Clock

1,397
🔥 +44% 2,017

Boost Clock

2,475
🔥 +10% 2,730

Memory Clock

🔥 +39% 2,438
1,750

Power Consumption

Recommended PSU

🔥 -57% 600 W
1400 W

Power Connector

2x 8-pin
🔥 2x 16-pin

TDP/TGP

🔥 -74% 263 W
1000 W

Rendering

Texture Units (TMU)

240
🔥 +183% 680

ROP

60
🔥 +183% 170

L2 Cache

4 MB
🔥 +2,300% 96 MB

Additional

Slots

Dual-slot Triple-slot

Release Date

Aug. 25, 2023 Jan. 6, 2026

Display Outputs

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

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

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