GALAX RTX 5090 D HOF OC LAB XOC vs VASTARMOR RX 6600 XT STAR

Comparison of GALAX RTX 5090 D HOF OC LAB XOC with 32 GB GDDR7 and 21,760 cores vs VASTARMOR RX 6600 XT STAR with 8 GB GDDR6 and 2,048 cores.

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Performance Rating

H200 H200
MI325X MI325X
A100 A100

GALAX RTX 5090 D HOF OC LAB XOC

GALAX RTX 5090 D HOF OC LAB XOC

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

VASTARMOR RX 6600 XT STAR

6.0

VASTARMOR RX 6600 XT STAR

6.0

Contents:

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

Memory

Memory Size

32 GB
🔥 8 ГБ

Memory Type

GDDR7 GDDR6

Memory Bandwidth

1.79 TB/s 256.0 GB/s

Memory Bus Width

512 бит 128 бит

ML Performance

FP16 (Half Precision)

115.5 TFLOPS
🔥 21.21 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

115.5 TFLOPS
🔥 10.6 TFLOPS

FP64 (Double Precision)

1.805 TFLOPS
🔥 0.6628 TFLOPS

CUDA Cores

21,760
🔥 2,048

RT Cores

170
🔥 32

Architecture & Compatibility

GPU Architecture

Blackwell 2.0 RDNA 2.0

SM (Streaming Multiprocessor)

170 No

PCIe Version

PCIe 5.0 x16 PCIe 4.0 x8

ML Software Support

CUDA Version

12.0 No

Clocks & Performance

Base Clock

2,017
🔥 1,968

Boost Clock

2,655
🔥 2,589

Memory Clock

1,750
🔥 +14% 2,000

Power Consumption

TDP/TGP

575 W
🔥 -72% 160 W

Recommended PSU

950 W
🔥 -53% 450 W

Power Connector

2x 16-pin 1x 8-pin

Rendering

Texture Units (TMU)

680
🔥 128

ROP

170
🔥 32

L2 Cache

96 MB
🔥 2 MB

Additional

Slots

Triple-slot Triple-slot

Release Date

Jan. 30, 2025 July 30, 2021

Display Outputs

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

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