Sapphire NITRO+ RX 7900 XTX Vapor-X vs VTX3D HD 7990 V2

Comparison of Sapphire NITRO+ RX 7900 XTX Vapor-X with 24 GB GDDR6 and 6,144 cores vs VTX3D HD 7990 V2 with 3 GB GDDR5 and 2,048 cores.

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Performance Rating

Sapphire NITRO+ RX 7900 XTX Vapor-X outperforms VTX3D HD 7990 V2 by 700.86% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

Sapphire NITRO+ RX 7900 XTX Vapor-X

28.0

Sapphire NITRO+ RX 7900 XTX Vapor-X

28.0
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

VTX3D HD 7990 V2

3.5

VTX3D HD 7990 V2

3.5

Contents:

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

Memory

Memory Size

🔥 +700% 24 ГБ
3 ГБ ×2 (6 ГБ)

Memory Type

GDDR6 GDDR5

Memory Bandwidth

960.0 GB/s 288.0 GB/s ×2 (576 GB/s)

Memory Bus Width

384 бит 384 бит ×2 (768 бит)

ML Performance

FP16 (Half Precision)

🔥 131.7 TFLOPS
No

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +1,508% 65.86 TFLOPS
4.096 TFLOPS

FP64 (Double Precision)

🔥 2.058 TFLOPS
No

CUDA Cores

🔥 +200% 6,144
2,048 ×2 (4096)

RT Cores

🔥 96
No

Architecture & Compatibility

GPU Architecture

RDNA 3.0 GCN 1.0

SM (Streaming Multiprocessor)

No No

PCIe Version

PCIe 4.0 x16 PCIe 3.0 x16

ML Software Support

CUDA Version

No No

Clocks & Performance

Base Clock

🔥 +123% 2,119
950

Boost Clock

🔥 +168% 2,680
1,000

Memory Clock

🔥 +67% 2,500
1,500

Power Consumption

TDP/TGP

420 W
🔥 -11% 375 W

Recommended PSU

800 W
🔥 -6% 750 W

Power Connector

3x 8-pin 2x 8-pin

Rendering

Texture Units (TMU)

🔥 +200% 384
128 ×2 (256)

ROP

🔥 96
No

L2 Cache

🔥 6 MB
768 KB

Additional

Slots

Quad-slot Dual-slot

Release Date

Nov. 3, 2022 April 24, 2013

Display Outputs

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

2x HDMI 2.1a
2x DisplayPort 2.1
1x DVI
4x mini-DisplayPort 1.2

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