Gigabyte Radeon RX 6700 XT Gaming OC Review


Introduction

The Gigabyte Radeon RX 6700 XT Gaming OC is the company’s factory-overclocked graphics card for those seeking a close-to-reference custom rendition of the RX 6700 XT from Gigabyte without the bells and whistles of the AORUS Gaming brand. The Radeon RX 6700 XT is AMD’s fourth RX 6000 series RDNA2 graphics card, and arguably its most important so far as it targets a sub-$500 (MSRP) price point, bringing the architecture to a wider audience. A successor to the RX 5700 XT, it brings full DirectX 12 Ultimate readiness, including real-time raytracing, and is suited for maxed out gaming at 1440p. AMD claims that the card is competitive not only against NVIDIA’s RTX 3060 Ti, but also the pricier RTX 3070 in certain games.

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The RDNA2 graphics architecture powering the RX 6700 XT is spread far and wide in the current generation, spanning not just the Radeon RX 6000 series, but also the latest game consoles. This makes it easier for game developers to optimize for the architecture on the PC. AMD’s approach to real-time raytracing involves using special hardware called Ray Accelerators to handle the most compute-intensive task in raytracing, of ray intersections, while compute shaders are used for almost everything else, including de-noising. A side effect of this approach is that AMD has had to bolster its SIMD muscle significantly over the previous generation, which can work wonders for conventional raster 3D games.

The Radeon RX 6700 XT is based on and maxes out the new 7 nm Navi 22 silicon, which physically features 40 RDNA2 compute units. This works out to 2,560 stream processors, 40 Ray Accelerators, 160 TMUs, and 64 ROPs. The stream processor count is exactly the same as with the RX 5700 XT, but besides having a higher IPC, they run at much higher engine clocks in excess of 2.42 GHz, compared to the 1.77 GHz game clock of the RX 5700 XT.

AMD has increased the standard memory amount to 12 GB, but over a narrow 192-bit GDDR6 memory bus. AMD attempts to overcome the bandwidth deficit compared to the 256-bit GDDR6 interface of the RX 5700 series by increasing the memory clocks to 16 Gbps and deploying its new Infinity Cache technology—a fast 96 MB on-die level 3 cache that accelerates the memory subsystem.

The Gigabyte RX 6700 XT Gaming OC comes with the company’s latest-generation WindForce 3X cooling solution found on several other current-generation products. Three aluminium fin stacks are skewered by five 6 mm-thick copper heat-pipes that make direct contact with the GPU at the base. This heatsink is ventilated by three fans. The cooler is longer than the PCB, so some of the airflow from the third fan flows through a hole in the backplate. The RX 6700 XT comes with factory overclocked speeds of 2514 MHz (game clock) as opposed to the 2424 MHz reference. In this review, we take the card for a spin.

Radeon RX 6700 XT Market Segment Analysis
 PriceShader
Units
ROPsCore
Clock
Boost
Clock
Memory
Clock
GPUTransistorsMemory
RX Vega 64$4004096641247 MHz1546 MHz953 MHzVega 1012500M8 GB, HBM2, 2048-bit
RX 5700 XT$3702560641605 MHz1755 MHz1750 MHzNavi 1010300M8 GB, GDDR6, 256-bit
RTX 2070$3402304641410 MHz1620 MHz1750 MHzTU10610800M8 GB, GDDR6, 256-bit
RTX 3060$6003584481320 MHz1777 MHz1875 MHzGA10613250M12 GB, GDDR6, 192-bit
RTX 2070 Super$4502560641605 MHz1770 MHz1750 MHzTU10413600M8 GB, GDDR6, 256-bit
Radeon VII$6803840641400 MHz1800 MHz1000 MHzVega 2013230M16 GB, HBM2, 4096-bit
RTX 2080$6002944641515 MHz1710 MHz1750 MHzTU10413600M8 GB, GDDR6, 256-bit
RTX 2080 Super$6903072641650 MHz1815 MHz1940 MHzTU10413600M8 GB, GDDR6, 256-bit
RTX 3060 Ti$7004864801410 MHz1665 MHz1750 MHzGA10417400M8 GB, GDDR6, 256-bit
RX 6700 XT$800
MSRP: $480
2560642424 MHz2581 MHz2000 MHzNavi 2217200M12 GB, GDDR6, 192-bit
Gigabyte RX 6700 XT
Gaming OC
$8202560642424 MHz2614 MHz2000 MHzNavi 2217200M12 GB, GDDR6, 192-bit
RTX 2080 Ti$10004352881350 MHz1545 MHz1750 MHzTU10218600M11 GB, GDDR6, 352-bit
RTX 3070$8005888961500 MHz1725 MHz1750 MHzGA10417400M8 GB, GDDR6, 256-bit
RX 6800$10003840961815 MHz2105 MHz2000 MHzNavi 2126800M16 GB, GDDR6, 256-bit
RX 6800 XT$130046081282015 MHz2250 MHz2000 MHzNavi 2126800M16 GB, GDDR6, 256-bit
RTX 3080$13008704961440 MHz1710 MHz1188 MHzGA10228000M10 GB, GDDR6X, 320-bit
RX 6900 XT$150051201282015 MHz2250 MHz2000 MHzNavi 2126800M16 GB, GDDR6, 256-bit
RTX 3090$2000104961121395 MHz1695 MHz1219 MHzGA10228000M24 GB, GDDR6X, 384-bit



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