Sapphire Radeon RX 7700 XT Pure Review

Source: Tech Power Up added 19th Sep 2023

  • sapphire-radeon-rx-7700-xt-pure-review

Introduction

Sapphire Radeon RX 7700 XT Pure, and its sibling, the RX 7800 XT Pure, debut a new brand of custom-design graphics cards by Sapphire that denote a mostly-white product aesthetic. In terms of design and features, these cards are positioned between the Pulse series, and the premium NITRO+ series. Across graphics card brands, we’re seeing increased efforts to design cards around the white aesthetic—PowerColor Hellhound Spectral White, Galax EX White, ASUS TUF Gaming White, and ASRock Steel Legend, just to name a few. The new Radeon RX 7700 XT is designed to occupy a vital price-point and along with the RX 7800 XT, fill a vast performance gap between the mainstream RX 7600 and the enthusiast-class RX 7900 XT. The RX 7700 XT is designed to power maxed-out AAA gaming at 1440p, and high refresh-rate 1080p e-sports gaming.

The Radeon RX 7700 XT is firmly a next-gen product, meaning that it’s based on the latest RDNA3 graphics architecture by AMD, and uses the contemporary 5 nm EUV process, at least where it matters. Along with its sibling, the RX 7700 XT debuts the new Navi 32 silicon, which is a chiplet-based disaggregated GPU, just like Navi 31 that powers the RX 7900 series, albeit slightly scaled down. AMD identified all of the components of the GPU that don’t benefit as much from the switch to 5 nm, such as the Infinity Cache, and the GDDR6 memory controllers, and spun them off into 6 nm chiplets called the memory cache dies (MCDs), each with a 16 MB segment of Infinity Cache, and a 64-bit portion of the GPU’s 256-bit GDDR6 memory interface. All the number crunching and graphics rendering components are localized to a central 5 nm silicon called the graphics compute die (GCD).

The new AMD RDNA3 graphics architecture introduces the third generation RDNA dual-compute unit that offers a 17% IPC increase over RDNA2, introduces dual-issue instruction rate, support for new math formats, and debuts the AI accelerator, a specialized component that makes the CU crunch matrix math. RDNA3 also introduces the company’s 2nd generation Ray accelerator, which offers a 50% increase in ray intersection performance over RDNA2 thanks to several hardware-level optimizations. Another important change is that the GPU’s front-end now operates at a 10-15% higher clock speed than the shader engines, resulting in better energy efficiency.

The Radeon RX 7700 XT is carved out of the Navi 32 GPU by enabling 54 out of the 60 compute units physically present on the silicon, and enabling three out of its four MCDs. On the GCD, this results in 3,456 stream processors, 108 AI accelerators, 54 Ray accelerators, 216 TMUs, and 96 ROPs. Since there are 3 MCDs in use, the GPU has 48 MB of Infinity Cache, and a 192-bit memory interface, which AMD pairs with 12 GB of 18 Gbps GDDR6 memory, resulting in 432 GB/s of memory bandwidth on tap.

The Sapphire Radeon RX 7700 XT Pure is not a whitewashed RX 7700 XT Pulse. While the Pulse comes with a 28 cm long cooler, the Pure is 32 cm long and features three fans instead of two. The cooler shroud, fan impellers, and backplate make up the card’s paint-job, the PCB underneath is still black. Sapphire added a few premium touches such as the ability to easily detach the cooler shroud holding the fans without disturbing the heatsink underneath; a red illuminated Sapphire logo, and a nifty factory overclock. The RX 7700 XT Pure comes with overclocked speeds of 2226 MHz Game clock (vs. 2171 MHz reference), and 2584 MHz boost (compared to 2544 MHz reference). The card is configured with 240 W total board power, and draws it through a pair of 8-pin PCIe power connectors. The company is pricing the RX 7700 XT Pure at $470, a small premium over the $450 baseline price for the RX 7700 XT.

Short 5-Minute Video Overview

Our goal with these videos is to create short summaries, not go into all the details and test results, which can be found in our written reviews.

Radeon RX 7700 XT Market Segment Analysis
  Price Cores ROPs Core

Clock
Boost

Clock
Memory

Clock
GPU Transistors Memory
RTX 3060 $250 3584 48 1320 MHz 1777 MHz 1875 MHz GA106 12000M 12 GB, GDDR6, 192-bit
RX 7600 $250 2048 64 2250 MHz 2625 MHz 2250 MHz Navi 33 13300M 8 GB, GDDR6, 128-bit
RTX 4060 $290 3072 48 1830 MHz 2460 MHz 2125 MHz AD107 18900M 8 GB, GDDR6, 128-bit
Arc A770 $250 4096 128 2100 MHz N/A 2187 MHz ACM-G10 21700M 16 GB, GDDR6, 256-bit
RTX 2080 $240 2944 64 1515 MHz 1710 MHz 1750 MHz TU104 13600M 8 GB, GDDR6, 256-bit
RTX 3060 Ti $260 4864 80 1410 MHz 1665 MHz 1750 MHz GA104 17400M 8 GB, GDDR6, 256-bit
RTX 4060 Ti $390 4352 48 2310 MHz 2535 MHz 2250 MHz AD106 22900M 8 GB, GDDR6, 128-bit
RX 6700 XT $310

2560 64 2424 MHz 2581 MHz 2000 MHz Navi 22 17200M 12 GB, GDDR6, 192-bit
RTX 2080 Ti $350 4352 88 1350 MHz 1545 MHz 1750 MHz TU102 18600M 11 GB, GDDR6, 352-bit
RTX 3070 $300 5888 96 1500 MHz 1725 MHz 1750 MHz GA104 17400M 8 GB, GDDR6, 256-bit
RTX 3070 Ti $390 6144 96 1575 MHz 1770 MHz 1188 MHz GA104 17400M 8 GB, GDDR6X, 256-bit
RX 6800 $430 3840 96 1815 MHz 2105 MHz 2000 MHz Navi 21 26800M 16 GB, GDDR6, 256-bit
RX 7700 XT $450 3456 96 2171 MHz 2544 MHz 2250 MHz Navi 32 26500M 12 GB, GDDR6, 192-bit
Sapphire RX 7700 XT

Pure
$470 3456 96 2226 MHz 2584 MHz 2250 MHz Navi 32 26500M 12 GB, GDDR6, 192-bit
RX 6800 XT $510 4608 128 2015 MHz 2250 MHz 2000 MHz Navi 21 26800M 16 GB, GDDR6, 256-bit
RTX 3080 $470 8704 96 1440 MHz 1710 MHz 1188 MHz GA102 28000M 10 GB, GDDR6X, 320-bit
RTX 4070 $550 5888 64 1920 MHz 2475 MHz 1313 MHz AD104 35800M 12 GB, GDDR6X, 192-bit
RX 7800 XT $500 3840 96 2124 MHz 2430 MHz 2425 MHz Navi 32 28100M 16 GB, GDDR6, 256-bit
RTX 3080 Ti $700 10240 112 1365 MHz 1665 MHz 1188 MHz GA102 28000M 12 GB, GDDR6X, 384-bit
RX 6900 XT $580 5120 128 2015 MHz 2250 MHz 2000 MHz Navi 21 26800M 16 GB, GDDR6, 256-bit
RX 6950 XT $630 5120 128 2100 MHz 2310 MHz 2250 MHz Navi 21 26800M 16 GB, GDDR6, 256-bit
RTX 3090 $750 10496 112 1395 MHz 1695 MHz 1219 MHz GA102 28000M 24 GB, GDDR6X, 384-bit
RTX 4070 Ti $800 7680 80 2310 MHz 2610 MHz 1313 MHz AD104 35800M 12 GB, GDDR6X, 192-bit
RX 7900 XT $750 5376 192 2000 MHz 2400 MHz 2500 MHz Navi 31 57700M 20 GB, GDDR6, 320-bit
Read the full article at Tech Power Up

media: Tech Power Up  

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