Sapphire NITRO+ RX 7900 XTX Vapor-X vs Sapphire RX 6800 XT

Comparison of Sapphire NITRO+ RX 7900 XTX Vapor-X with 24 GB GDDR6 and 6,144 cores vs Sapphire RX 6800 XT with 16 GB GDDR6 and 4,608 cores.

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Performance Rating

Sapphire NITRO+ RX 7900 XTX Vapor-X outperforms Sapphire RX 6800 XT by 136.94% 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

Sapphire RX 6800 XT

11.8

Sapphire RX 6800 XT

11.8

Contents:

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

Memory

Memory Size

🔥 +50% 24 ГБ
16 ГБ

Memory Type

GDDR6 GDDR6

Memory Bandwidth

960.0 GB/s 512.0 GB/s

Memory Bus Width

384 бит 256 бит

ML Performance

FP16 (Half Precision)

🔥 +218% 131.7 TFLOPS
41.47 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +218% 65.86 TFLOPS
20.74 TFLOPS

FP64 (Double Precision)

🔥 2.058 TFLOPS
No

CUDA Cores

🔥 +33% 6,144
4,608

RT Cores

🔥 +33% 96
72

Architecture & Compatibility

GPU Architecture

RDNA 3.0 RDNA 2.0

SM (Streaming Multiprocessor)

No No

PCIe Version

PCIe 4.0 x16 PCIe 4.0 x16

ML Software Support

CUDA Version

No No

Clocks & Performance

Base Clock

🔥 +16% 2,119
1,825

Boost Clock

🔥 +19% 2,680
2,250

Memory Clock

🔥 +25% 2,500
2,000

Power Consumption

TDP/TGP

420 W
🔥 -29% 300 W

Recommended PSU

800 W
🔥 -12% 700 W

Power Connector

3x 8-pin 2x 8-pin

Rendering

Texture Units (TMU)

🔥 +33% 384
288

ROP

🔥 +33% 96
72

L2 Cache

🔥 +50% 6 MB
4 MB

Additional

Slots

Quad-slot Dual-slot

Release Date

Nov. 3, 2022 Oct. 28, 2020

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
2x DisplayPort 1.4a
1x USB Type-C

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