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ASRock RX 5700 XT Taichi X OC+ Review

Rating: 7.0.

While we are waiting for further news on AMD's RX 5500 GPU for desktop, our attention turns back to the RX 5700 XT which launched in July. We've reviewed a number of partner cards since then, and today we are looking at ASRock's flagship offering – the RX 5700 XT Taichi X OC+. With an eye-catching design, triple-fan cooler and heavily overclocked core, the Taichi aims to rival the likes of the PowerColor Red Devil and Sapphire Nitro+. Can it come out on top?

While the cooler design and snazzy RGB lighting are undoubtedly eye-catching features for the ASRock RX 5700 XT Taichi X, arguably the most interesting area for this card is its pricing. Currently selling at £469.99 from Overclockers UK, this is the most expensive RX 5700 XT card I have reviewed so far, with a £90 price premium over AMD's MSRP. That puts this card very close to RTX 2070 SUPER territory, so can the Taichi justify its price? We find out today.

   RX 5700 RX 5700 XT   RX Vega 56 RX Vega 64   Radeon VII
 Architecture  Navi Navi Vega 10 Vega 10  Vega 20
 Manufacturing Process  7nm 7nm 14nm 14nm  7nm
 Transistor Count 10.3 billion 10.3 billion 12.5 billion 12.5 billion 13.2 billion
Die Size  251mm² 251mm² 486mm² 495mm² 331mm²
Compute Units  36 40 56 64  60
Stream Processors  2304 2560 3584 4096  3840
Base GPU Clock Up to 1465MHz Up to 1605MHz 1156 MHz 1274 MHz 1400 MHz
Game GPU Clock Up to 1625MHz Up to 1755MHz n/a n/a n/a
 Boost GPU Clock Up to 1725MHz Up to 1905MHz 1471 MHz 1546 MHz  1750 MHz
 Peak Engine Clock n/a n/a 1590 MHz  1630 MHz  1800 MHz
 Peak SP Performance Up to 7.95 TFLOPS Up to 9.75 TFLOPS Up to 10.5 TFLOPS Up to 12.7 TFLOPS Up to 14.2 TFLOPS
 Peak Half Precision Performance Up to 15.9 TFLOPS Up to 19.5 TFLOPS Up to 21.0 TFLOPS Up to 25.3 TFLOPS  Up to 28.1 TFLOPS
 Peak Texture Fill-Rate Up to 248.4 GT/s Up to 304.8 GT/s  Up to 330.0 GT/s  Up to 395.8 GT/s  432.24 GT/s
 ROPs 64 64 64 64  64
 Peak Pixel Fill-Rate Up to 110.4 GP/s Up to 121.9 GP/s Up to 94.0 GP/s Up to 98.9 GP/s 115.26 GP/s
 Memory Bandwidth 448 GB/s 448 GB/s 410 GB/s 483.8 GB/s  1 TB/s
Memory Interface  256-bit 256-bit 2048-bit 2048-bit  4096-bit
Board Power  185W 225W 210W 295W  300W

Core spec of the RX 5700 XT is well-known at this point – the GPU is based on TSMC's 7nm process and is made up of 40 Compute Units, each housing 64 Stream Processors for a total of 2560 shaders. Alongside that, the card is outfitted with 8GB of GDDR6 memory, operating over a 256-bit bus for 448GB/s total memory bandwidth.

Where things differ versus the reference card is with clock speed. The Taichi X has a rated game clock of 1935MHz, almost 200MHz higher than the reference card. For further comparison, both the PowerColor Red Devil and Sapphire Nitro+ have game clocks of 1905MHz, so we should see the Taichi run slightly faster – but we look at actual clock speeds later in the review.

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