Teclab has achieved a remarkable feat by successfully bypassing the memory clock limitations imposed by NVIDIA on their RTX 50 series, enabling the RTX 5070 Ti to reach astonishing speeds of 36 Gbps.
Unlocking NVIDIA’s RTX 50 Memory Clock Limit: Teclab Sets a New Benchmark with 36 Gbps on RTX 5070 Ti
The innovative team at Teclab, renowned for their groundbreaking modifications to NVIDIA’s graphics cards, recently made headlines by breaking numerous overclocking records. Based in Brazil, Teclab previously set a precedent by modifying GeForce 10 series models to accommodate higher VRAM and memory speeds through custom enhancements.
In their latest endeavor, Team Teclab aims to challenge the memory clock restrictions that NVIDIA has applied to its GeForce RTX 50 series. These GPUs, which are equipped with advanced GDDR7 memory, typically operate between 28 Gbps and 30 Gbps speeds. Specifically, the RTX 5080 is reported to have an effective clock speed of approximately 15, 000 MHz, while the other models in the RTX 50 range feature speeds around 14, 000 MHz.
Historically, overclocking applications have been limited to a +3000 MHz memory overclock threshold, a ceiling enforced by NVIDIA’s design. Modders have previously attempted to circumvent these limits by swapping the existing memory chips for higher-frequency alternatives or by altering the hex code to unlock memory capabilities. Nonetheless, Teclab brings forth an innovative solution this time around.
Teclab member Burti_TecLab used the entry-level GALAX 5070 Ti 1-Click OC model for this modification, establishing a baseline where the power limit was entirely unlocked without shunt modifications. Intriguingly, initial measurements indicated that the software could not track the power consumption due to a disabled multiplexer that normally reports current readings. The first performance test was conducted without any overclocking, simply benefiting from the unlocked power limit.
During the second performance test, the GPU achieved speeds exceeding 3.3 GHz. The breakthrough occurred in the third run, where the modification allowed the GPU’s clock management to be deceived on a logical or programming level. Thus, the GPU erroneously believed it was operating at a lower base frequency, while it was actually set to perform at significantly elevated clock speeds for both the GPU and memory.
Despite the monitoring tools indicating reduced clock speeds of **3.1-3.2 GHz** and a memory speed of **28 Gbps**, the actual performance metrics surpassed those achieved in the previous manual overclocking attempts. Teclab confirmed that the RTX 5070 Ti was indeed operating beyond 36 Gbps (18, 000 MHz+).The results from the Unigine Superposition benchmark breakdown are as follows:
- RTX 5070 Ti (No Overclock/Power Limit Unlocked): 9922 Points
- RTX 5070 Ti (+500 GPU / +3000 Memory / Power Limit Unlocked): 11722 Points
- RTX 5070 Ti (+330 GPU / 36 Gbps+ Memory / Power Limit Unlocked): 11993 Points
Teclab’s achievement in bypassing NVIDIA’s constraints on the RTX 50 series illustrates the impressive potential for GDDR7 memory, considering these modules typically operate at speeds of 28 Gbps. Industry leaders such as Samsung and Micron are currently developing 36 Gbps memory solutions that promise higher VRAM densities, although their release has been tentatively anticipated for late 2023, with potential delays extending into 2027 amid ongoing memory shortages.
As Teclab prepares to unveil even more advanced overclocking capabilities with their upcoming RTX 5070 Ti HOF from GALAX, the tech community eagerly awaits their next installment, further affirming the relentless pursuit of performance enhancements in the realm of gaming GPUs.
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