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Since its launch late last year, Nvidia's RTX 30 series has surprised us. In fact, they are so powerful that it is difficult to know which one is right for your system and which one is completely over the top.

So to help you understand the difference between these cards, we have a head-to-head confrontation between the RTX 3070 and the 3080.

Clock Speed

1755 MHz Boost Clock (OC)



Thermal Design

Triple Ax44 Power fan input

2 x 8 pin


318 mm x 140 mm x 57 mm

Clock speed

1815 MHz Boost Clock (OC)



Thermal design A well-known architectural change in architecture

, marks a comprehensive transformation of the three-generation Axial

S architecture. The Turing model for comprehensive and comprehensive amp microarchitecture. Some of these advancements include wider bandwidth (HBM2), smaller 8nm process nodes, 50% more CUDA cores, 3rd generation Tensor cores, and 2nd generation RT cores.

3070 Based on Ampere's GA104300A1 variant, it contains 5888 shader units distributed in 46 SMs, 184 texture units, 96 rendering units and 184 Tensor cores for ultra-fast AI learning.

3080 is a variant of GA102200KDA1 Ampere. It contains a huge 8704 shader unit, which is nearly 3000 more than 3070. For single-channel GPUs in the same series, this is a considerable leap forward. It also has high-quality 88 texture units, bringing rich realism to high-resolution games. However, except for the 1MB larger 5MB L2 cache and almost no 100 additional Tensor cores, these are very similar cards.

Another big improvement we see in Ampere is how good the 30 series thermal performance is. The 3070 is capable of reaching 93 ° C before throttling and is unlikely to exceed 80 ° C under load. With a high-spec air cooler or liquid AIO (for those with the money), you can achieve a stable 5% overclocking. This is equivalent to the performance of 2080 Ti, but the cost is only a small part. The

3080 has the same heat capacity of 93 ° C that you would expect. Although it is rated at 320 watts compared to the 220 watts of the 3070, it can still max out at around 79 ° C under load. With a high-quality heatsink, you can achieve + 75MHz core overclocking, slightly increasing the frame rate. Both

GPUs are released with axial shields, but the Galax Classic series includes a 3080 blower version and the ASUS Turbo series provides a 3070 blower card.

We can talk about tech all day, but if these GPUs are not suitable for your situation, they are of no use to you, so let's take a quick look at the boring stuff.

For such a powerful graphics card, the size of the 3070 is quite modest, making it a suitable choice for smaller mid-tower ATX chassis. At 9.5 "(L) x 4.4" (W) x 2 slots, it should be able to replace any mid-range to high-end graphics card without a problem.

3080 on the other hand is BIG! The dimensions are 11.2 "(L) x 4.4" (W) x 2 slots, and you need a large half tower box with sturdy brackets to accommodate this beast. It's even worth investing in support brackets to keep the GPU from sagging. The third-party iteration of the 3080 tends to be larger, so be sure to take some accurate measurements of the case before purchasing. Chapter

allows us to see the important things ... the performance of the game in the real world.

If you are a 1080p gamer, to get the performance that these graphics cards can provide, you really need a monitor with a high refresh rate. Everything else is waste. Having said that, we always recommend buying the latest technology, where the budget allows for future verification of potential monitor purchases.

1440p can be considered the original resolution of 3070. You will have a hard time finding a game that does not reach the required average 60 fps. Even in demanding games like RDRII, its average frame rate is 80fps, making it a perfect choice for 60Hz 1440p displays.

Unless you have a powerful 140Hz 1440p monitor, the 3080 is too much at this resolution. During RDRII it pushed over 100fps and absolutely crushed Shadow of the Tomb Raider at an average speed of over 140fps.

4K is where 3080 is; this is your bread and butter. Even in notorious GPU remake games like "Assassin's Creed: Hall of Valor," their average frame rate reached over 60. The 3070 provided a 60fps 4K average in less intense games, but we had to lower the settings significantly to maintain the average level of a wider selection of games.

As you probably know, Series 30 has the pinnacle of hardware ray tracing technology. The 20 series has made progress, but these second-generation RT cores provide twice the performance of each core. My friends, this means that the RT workload has little effect on the 30 series cards.

3070 has a total of 46 second-generation RT cores, a treasure trove of global lighting potential. In Ultra RT mode, the lights, shadows and reflections look very realistic, you will fully enter the world of game settings, but you may drop frames.

3080 has an impressive RT kernel library, 68 in total, which provides beautiful lighting in games that support it, but the number of frames loaded per second may be very large. In fact, running in ultra-RT mode will reduce the performance of the 3080 to above 1440p.

Sometimes the memory configuration difference from one GPU to another in a series is not too big, but since Nvidia's real goal is to provide native resolution for each of these cards, their VRAM specifications are completely different. The

3070 has 8GB of GDDR6 memory, while the 3080 has 10GB of enhanced GDDR6X memory. The highest operating frequency of 6X means 760.3GBps, and the bandwidth of 3080 is almost double that of 760.3GBps.

High resolution border.

clock speed

1755 MHz Boost Clock (OC)



thermal design

Axialtech triple fan

power input

2 x 8 pins


34 34 clock 44 4 MHz clock speed x

5 44 MHz VRAM 4445 445 445 445mm Boost

5 445 445 445mm 10GB GDDRX

Thermal Design

Axialtech Triple Fan

We have good news and some ... good news! The good news is that if you choose between these cards, regardless of the outcome, you will be stuck. The other good news is that Nvidia's purpose for these two cards is very clear, you really just need to consider the current settings to decide which one is right for you.

Although the 3080 looks more like a 1440p card when ultra-ray tracing is on, it is definitely a 4K creature, well suited for 60Hz refresh rate monitors and powerful CPUs. Using it for 1440p only will only cause serious CPU and screen bottlenecks, and wasted frames is a waste of money.

and 3070 are the 1440p daemon! If you have a 1440p 60 or even 140Hz monitor, the 3070 is the logical choice, as it will provide you with the best price-performance ratio of the two graphics cards.

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