ASUS GTX 660 DirectCU II TOP OC vs Sapphire NITRO+ RX 7900 XTX Vapor-X

Comparison of ASUS GTX 660 DirectCU II TOP OC with 2 GB GDDR5 and 960 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

ASUS GTX 660 DirectCU II TOP OC

ASUS GTX 660 DirectCU II TOP OC

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

2 GB 24 GB

Memory Type

GDDR5 GDDR6

Memory Bandwidth

153.6 GB/s 960.0 GB/s

Memory Bus Width

192 бит 384 бит

ML Performance

FP16 (Half Precision)

No 131.7 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

2.208 TFLOPS 65.86 TFLOPS

FP64 (Double Precision)

0.092 TFLOPS 2.058 TFLOPS

CUDA Cores

960 6,144

RT Cores

No 96

Architecture & Compatibility

GPU Architecture

Kepler RDNA 3.0

SM (Streaming Multiprocessor)

No No

PCIe Version

PCIe 3.0 x16 PCIe 4.0 x16

ML Software Support

CUDA Version

3.0 No

Clocks & Performance

Base Clock

1,098 2,119

Boost Clock

1,150 2,680

Memory Clock

1,600 2,500

Power Consumption

TDP/TGP

🔥 -67% 140 W
420 W

Recommended PSU

🔥 -62% 300 W
800 W

Power Connector

1x 6-pin 3x 8-pin

Rendering

Texture Units (TMU)

80 384

ROP

No 96

L2 Cache

384 KB 6 MB

Additional

Slots

Dual-slot Quad-slot

Release Date

Nov. 18, 2012 Nov. 3, 2022

Display Outputs

2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x HDMI 2.1a
2x DisplayPort 2.1
1x USB Type-C

2x HDMI 2.1a
2x DisplayPort 2.1

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