2017 27" iMac 5K (RP575) [7th,4C,K] + RX 6900 XT @ 32Gbps-TB3 (Razer Core X) + m...
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2017 27" iMac 5K (RP575) [7th,4C,K] + RX 6900 XT @ 32Gbps-TB3 (Razer Core X) + macOS 11.4  


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Joined: 3 years ago

System specs

2017 27" iMac

3,5 GHz Quad-Core Intel Core i5

40 GB 2400 MHz DDR4

Radeon Pro 575 4 GB


eGPU hardware

Razer Core X

XFX Speedster MERC 319 AMD Radeon™ RX 6900 XT Black Gaming Graphics Card with 16GB GDDR6, AMD RDNA™ 2.


Installation steps

Installed the card in the Razer Core X enclosure, the card is slightly longer than the enclosure so not able to close properly. Does not affect the general performance of the card.



Geekbench 5 Score

Metal Score
Geekbench 5.4.1 Tryout for macOS x86 (64-bit)

Result Information

Upload Date June 30th 2021, 1:24pm
Views 2

System Information

System Information
Operating System macOS 11.4 (Build 20F71)
Model iMac (27-inch Retina Mid 2017)
Model ID iMac18,3
Motherboard Apple Inc. Mac-BE088AF8C5EB4FA2 iMac18,3
CPU Information
Name Intel Core i5-7600
Topology 1 Processor, 4 Cores
Identifier GenuineIntel Family 6 Model 158 Stepping 9
Base Frequency 3.50 GHz
L1 Instruction Cache 32.0 KB x 2
L1 Data Cache 32.0 KB x 2
L2 Cache 256 KB x 2
L3 Cache 6.00 MB x 1
Memory Information
Size 40.00 GB
Transfer Rate 2400 MT/s
Type DDR4
Metal Information  
Device Name AMD Radeon RX 6900 XT



Using the 6900xt with octane render and have seen 3x faster render times compared to 5700xt eGPU on larger interior visualisation scenes.

This topic was modified 1 year ago
2017 27" iMac 5K (RP575) [7th,4C,K] + RX 6900 XT @ 32Gbps-TB3 (Razer Core X) + macOS 11.4 [build link]  

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