AMD Radeon RX 6600 LE vs Sapphire NITRO+ RX 7900 XTX Vapor-X

Comparison of AMD Radeon RX 6600 LE with 8 GB GDDR6 and 1,792 cores vs Sapphire NITRO+ RX 7900 XTX Vapor-X with 24 GB GDDR6 and 6,144 cores.

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Performance Rating

H200 H200
MI325X MI325X
A100 A100

AMD Radeon RX 6600 LE

AMD Radeon RX 6600 LE

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

Sapphire NITRO+ RX 7900 XTX Vapor-X

Sapphire NITRO+ RX 7900 XTX Vapor-X

Contents:

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

Memory

Memory Size

8 GB 24 GB

Memory Type

GDDR6 GDDR6

Memory Bandwidth

224.0 GB/s 960.0 GB/s

Memory Bus Width

128 бит 384 бит

ML Performance

FP16 (Half Precision)

17.88 TFLOPS 131.7 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

8.942 TFLOPS 65.86 TFLOPS

FP64 (Double Precision)

0.5589 TFLOPS 2.058 TFLOPS

CUDA Cores

1,792 6,144

RT Cores

28 96

Architecture & Compatibility

GPU Architecture

RDNA 2.0 RDNA 3.0

SM (Streaming Multiprocessor)

No No

PCIe Version

PCIe 4.0 x8 PCIe 4.0 x16

ML Software Support

CUDA Version

No No

Clocks & Performance

Base Clock

1,626 2,119

Boost Clock

2,495 2,680

Memory Clock

1,750 2,500

Power Consumption

TDP/TGP

🔥 -69% 132 W
420 W

Recommended PSU

🔥 -62% 300 W
800 W

Power Connector

1x 8-pin 3x 8-pin

Rendering

Texture Units (TMU)

112 384

ROP

28 96

L2 Cache

2 MB 6 MB

Additional

Slots

Dual-slot Quad-slot

Release Date

Dec. 8, 2023 Nov. 3, 2022

Display Outputs

1x HDMI 2.1
3x DisplayPort 1.4a
1x HDMI 2.1a
2x DisplayPort 2.1
1x USB Type-C

2x HDMI 2.1a
2x DisplayPort 2.1

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