Overclocking and Undervolting The iGAME RTX 3080 Advanced

Overclocking

Overclocking the iGame GeForce RTX 3080 Advanced went quite a bit as it did for the RTX 3080. But instead of given a power budget that allowed for a 115% power limit we were treated to only a 109% power limit since we were already close to the power limit, despite having 3x8-pin connectors. Now that allowed us to get an additional 100MHz over the stock clock that resulted in a stable 2000-2050MHz core clock. Memory fared much much better than the FE with us being able to see upwards of +750Mhz 16Gbps with a memory bandwidth of 820GB/s over the stock 760GB/s.

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We went a step further this time and included undervolting here rather than a separate article like we did for the RTX 3080 FE, check that article if you want a guide for how to do undervolt Ampere for hidden efficiency potential.  We settled with the core at 826mV but a core clock of 1900MHz that ran at around 1925Mhz in-game. We set the memory to the same +750 for an effective rate of 820GB/s of bandwidth. Looking at the results overall I think it's safe to say the Undervolted core + overclocked memory is the way to go. Time to tune it up, folks!

Firestrike

Firestrike is running the DX11 API and is still a good measure of GPU scaling performance, in this test we ran the Ultra version of Firestrike which runs at 4K and we recorded the Graphics Score only since the Physics and combined are not pertinent to this review.

3DMark Firestrike Ultra Graphics
Score
0
4000
8000
12000
16000
20000
24000
0
4000
8000
12000
16000
20000
24000
iGame RTX 3080 OC
11.3k
iGame RTX 3080
11k
iGame RTX 3080 UV + OC
10.8k

Time Spy

Time Spy is running the DX12 API and we used it in the same manner as Firestrike Extreme where we only recorded the Graphics Score as the Physics score is recording the CPU performance and isn't important to the testing we are doing here.

3DMark Time Spy Extreme Graphics
Score
0
2000
4000
6000
8000
10000
12000
0
2000
4000
6000
8000
10000
12000
iGame RTX 3080 OC
9.3k
iGame RTX 3080
9k
iGame RTX 3080 UV + OC
9k

Forza Horizon 4

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Forza Horizon 4 carries on the open-world racing tradition of the Horizon series.  The latest DX12 powered entry is beautifully crafted and amazingly well executed and is a great showcase of DX12 games.  We use the benchmark run while having all of the settings set to non-dynamic with an uncapped framerate to gather these results.

Forza Horizon 4 4K Ultra
AVG FPS
1% Percentile
0
40
80
120
160
200
240
0
40
80
120
160
200
240
iGame RTX 3080 OC
148
130
iGame RTX 3080
146
125
iGame RTX 3080 UV + OC
140
121

Rainbow 6 Siege

Rainbow 6 Siege has maintained a massive following since its launch and it consistently in Steams Top Ten highest player count game.  In a title where the higher the framerate the better in a tactical yet fast-paced competitive landscape is essential, we include this title despite its ludicrously high framerates.  We use the Vulkan Ultra preset with the High Defenition Texture Pack as well and gather our results from the built-in benchmarking tool.

Rainbow 6 Siege 4K Vulkan Ultra
AVG FPS
1% Percentile
0
50
100
150
200
250
300
0
50
100
150
200
250
300
iGame RTX 3080 OC
279
240
iGame RTX 3080
264
229
iGame RTX 3080 UV + OC
273
233

Resident Evil 3

The Resident Evil 3 Remake has surpassed the RE2 Remake in visuals and is the latest use of the RE Engine.  While it does have DX12 support the DX11 implementation is far superior and because of that, we will be sticking to DX11 for this title.  We use the cutscene where Jill and Carlos enter the subway car for the first time and a 2 minute capture at that point.

Resident Evil 3 4K DX11 Maximum
AVG FPS
1% Percentile
0
40
80
120
160
200
240
0
40
80
120
160
200
240
iGame RTX 3080 OC
103
87
iGame RTX 3080
99
82
iGame RTX 3080 UV + OC
98
83

Thermals

Thermals were measured from our open test bench after running the Time Spy graphics test 2 on loop for 30 minutes recording the highest temperatures reported. The room was climate controlled and kept at a constant 22c throughout the testing.

Temperatures (22c Ambient)
Load
0
20
40
60
80
100
120
0
20
40
60
80
100
120
iGame RTX 3080 OC
70
iGame RTX 3080
65
iGame RTX 3080 UV + OC
60

Power Consumption While Overclocked

 

Overclocked Power Draw
GPU Full Load
Total System
0
100
200
300
400
500
600
0
100
200
300
400
500
600
iGame RTX 3080 OC
360
515
iGame RTX 3080
350
491
iGame RTX 3080 UV + OC
255
395

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