Sapphire NITRO+ RX 7900 XTX Vapor-X vs VASTARMOR RX 6600 XT ALLOY

Comparison of Sapphire NITRO+ RX 7900 XTX Vapor-X with 24 GB GDDR6 and 6,144 cores vs VASTARMOR RX 6600 XT ALLOY with 8 GB GDDR6 and 2,048 cores.

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Performance Rating

H200 H200
MI325X MI325X
A100 A100

Sapphire NITRO+ RX 7900 XTX Vapor-X

Sapphire NITRO+ RX 7900 XTX Vapor-X

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

VASTARMOR RX 6600 XT ALLOY

VASTARMOR RX 6600 XT ALLOY

Contents:

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

Memory

Memory Size

24 GB 8 GB

Memory Type

GDDR6 GDDR6

Memory Bandwidth

960.0 GB/s 256.0 GB/s

Memory Bus Width

384 бит 128 бит

ML Performance

FP16 (Half Precision)

131.7 TFLOPS 21.36 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

65.86 TFLOPS 10.68 TFLOPS

FP64 (Double Precision)

2.058 TFLOPS 0.6674 TFLOPS

CUDA Cores

6,144 2,048

RT Cores

96 32

Architecture & Compatibility

GPU Architecture

RDNA 3.0 RDNA 2.0

SM (Streaming Multiprocessor)

No No

PCIe Version

PCIe 4.0 x16 PCIe 4.0 x8

ML Software Support

CUDA Version

No No

Clocks & Performance

Base Clock

2,119 2,188

Boost Clock

2,680 2,607

Memory Clock

2,500 2,000

Power Consumption

TDP/TGP

420 W
🔥 -62% 160 W

Recommended PSU

800 W
🔥 -44% 450 W

Power Connector

3x 8-pin 1x 8-pin

Rendering

Texture Units (TMU)

384 128

ROP

96 32

L2 Cache

6 MB 2 MB

Additional

Slots

Quad-slot Triple-slot

Release Date

Nov. 3, 2022 July 30, 2021

Display Outputs

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

2x HDMI 2.1a
2x DisplayPort 2.1
1x HDMI 2.1
3x DisplayPort 1.4a

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