COLORFUL GeForce RTX 3090 iGame VULCAN OC Review

Published: 14th Dec 2020, 19:22 GMT   Comments

Overclocking

OVERCLOCKING
 BENCHMARK TOOL STABILITY TEST
MSI Afterburner, TechPowerUP GPU-ZTime Spy Extreme Stress Test

Overclocking tools and bundled software

The iGameCenter is a tool for monitoring, overclocking and controlling the graphics card. The software has seen a major redesign over the past few years and it appears to work smoother and require less memory than previous releases.

The software has four tabs: monitoring (data), control (RGB, LCD, overclocking), system RGB control, and another tab for monitoring, but only for the graphs.

The LCD control takes some time to get used to. It is actually possible to display two metrics at the same time, but that means no time-based graphs will be shown. As mentioned earlier the graphs have a wrong scale, for instance, the GPU clock will only fill half of the graph. The switch time set to 10 seconds is just too short for any graphs, so consider changing that to 30 or 60 seconds. Most users will probably end up using a dual-screen display feature, which allows two metrics to be shown next to each other. Others will definitely have fun experimenting with the animated GIF uploads (which require a direct USB connection).

Overclocking settings

After trying both manual and automatic (OC scanner) overclocking features we came up with the stable clock increase of 100 MHz, power limit at 107% (420W), and memory overclocking at 1100 MHz. Fans were set to automatic.

With overclocking applied we increased maximum theoretical single-precision compute performance from 35.6 TFLOPS to 39.6 TFLOPS. The memory speed has been increased to 1356 MHz, which is an equivalent of 21.7 Gbps, way above the specs. This means that the maximum bandwidth has exceeded the 1 TB/s mark and is expected to be around 1041.6 GB/s.

Overclocking: Games

With overclocking applied the graphics card performs 3% better compared to the OC settings and 7% better compared to the NVIDIA reference specs in Cyberpunk 2077 at 4K. In Division 2 the performance gain is around 5% compared to both built-in BIOS settings, which appear to show the same level of performance.

Core Clock

The performance boost comes mostly from the higher clock speeds and power limits. At stock, the graphics card appears to hover at around 1.8 GHz, while the built-in OC BIOS increases the frequency to 1867 MHz. Manual overclocking provides additional 83 MHz on average compared to Colorful’s settings and 149 MHz more than the stock BIOS — the iGame Vulcan OC with manual overclocking has an average of 1950 MHz in the 3DMark Time Spy Extreme benchmark (a continuous loop).

OVERCLOCKING RESULTS
BASEBOOSTTIME SPYMEMORY
Default :1395 MHz1695 MHz1801 MHz1219 MHz
1-Click OC :1395 MHz1785 MHz1867 MHz1219 MHz
Manual OC :1495 MHz1885 MHz1950 MHz1356 MHz

Fan Speed and Noise Level

The triple-fan cooler is very efficient. When GPU is idle, fans will occasionally spin to decrease the temperature to around 35C. Even with the overclocking applied the cooler never exceed 60% fan speed, which generates around 44-45 dB of noise.

FAN SPEED vs NOISE LEVEL
noise 36 dB37 dB38 dB40 dB44 dB48 dB51 dB55 dB59 dB
Fan Speed25%30%40%50%60%70%80%90%100%
1040 RPM1050 RPM1300 RPM1600 RPM1920 RPM2230 RPM2560 RPM2280 RPM3200 RPM

Temperature

At stock, the GPU rarely exceeds 67°C when in use. Only with overclocking applied (either manual or through the OC BIOS), the temperature raises to 71-72°C, depending on the workload.

  • Graphics card has been tested in open chassis (Thermaltake P3).
  • Ambient temperature: 26.5°C

IDLELOAD
36°CG
P
U
72°C
34°C44°CF
R
O
N
T
28°C44°C
AVGMAXAVGMAX
35°C37°CB
A
C
K
58°C73°C
AVGMAXAVGMAX
31°C38°CS
I
D
E
35°C63°C
AVGMAXAVGMAX

Power Consumption

On average, the graphics card consumes around 350W with the stock settings. The OC-BIOS increases the power limit to 390W, which are quickly consumed by the GPU in long term testing. Manual overclocking will increase the power input to 420W with sporadical spikes up to 429W.

POWER LIMITS
POWER LIMIT (W)MAX POWER LIMIT (W)
NVIDIA Founders Edition350 W400 W
RTX 3090 VULCAN STOCK350 W370 W
RTX 3090 VULCAN OC BIOS390 W420 W
RTX 3090 VULCAN Manual OC420 W420 W

Review Contents
Page 1Intro
Page 2TEST Overclocking ● Stress testing
Page 3GAMES Assassin’s Creed Valhalla ● Battlefield V ● Cyberpunk 2077 ● Tom Clancy’s The Division 2 ● Far Cry New Dawn ● Hitman 2 ● Rainbow Six Siege ● Red Dead Redemption 2 ● Shadow of the Tomb Raider ● Watch Dogs Legion
Page 4CONCLUSION




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