During the E3 2019 game conference, AMD officially released aNew 7nm process, new Navi core, new RDNA architectureA new generation of graphics cards Radeon RX 5700 series, including the RX 5700 XT, RX 5700 models, are aimed at the largest consumer-grade market and mainstream gamers.
The Navi GPU core is manufactured in TSMC's 7nm process, with 10.3 billion transistors and a core area of 251 mm2. It is also the first GMD6 memory in the history of AMD graphics cards, and natively supports PCIe 4.0, from processor to motherboard to graphics card, 3A platform. Quickly and fully enter the PCIe 4.0 era.
The RX 5700 Series official card is still a single turbo fan cooling at the rear, and the Radeon LOGO emits red light, with the RX 5700 XT housing cover with dense groove texture.The top also deliberately made a partition, mainly the design elements, in order to look better, but also to distinguish it from the RX 5700.
In terms of specifications,The RX 5700 XT has 40 compute units, 2560 stream processors, 64 ROP units, and 256 texture units.The core frequency provides three levels:
Base clock 1605MHz under high load, Game clock 1755MHz under typical game load, Boost Clock determined by chip physique 1905MHz—— Note whether the final acceleration frequency can To achieve the power consumption and cooling space is allowed, the maximum acceleration frequency of different graphics cards will be different.
Memory is loaded8GB GDDR6, the bit width is256-bitEquivalent frequency14GHzThe bandwidth is 448GB/s.
The whole card consumes 225W and 8+6-pin auxiliary power supply.
RX 5700 reduced to36 calculation units, 2304 stream processors, 144 texture units(There is an error in the figure), the ROP unit does not change.Frequency reference 1465MHz, game 1625MHz, limit 1725MHz, the memory remains unchanged, the whole card power consumption is180WIt is also an 8+6-pin auxiliary power supply.
RX 5700 XT structure drawing: aluminum alloy case and back plate,In addition to the decoration, the top groove helps to improve the airflow and noise during standby to a certain extent.And the inside is a single turbo fan, vacuum chamber sonic plate,GPU core graphene heat sink materialThe power supply circuit is a 7-phase digital type.
The circuit board design of the RX 5700 series can be seen to be quite empty. It is not a cut-throat, but a new Navi core energy efficiency improvement. The demand for power supply is not very high. Of course, the non-public version will definitely be more gorgeous.
The output interface isThree DisplayPort 1.4, one HDMI 2.0b(Without USB-C), with the new Radeon display engine, FreeSync 2 HDR support and 4K 240Hz, 4K HDR 120Hz, 8K HDR 60Hz output.
The new Radeon multimedia engine supports H.264 4K150/8K30 decoding, 4K90 encoding, H.265 4K60 decoding, 4K90 encoding, and VP9 4K60 decoding.
The addition of PCIe 4.0 brings double the bandwidth while allowing content creators to streamline 8K60 Ultra HD video streams. It is worth mentioning that although PCIe 4.0 consumes a lot of power, for example, the X570 motherboard needs an active fan, the SSD must be enhanced in heat dissipation, but it also has a low power state, which in turn helps to reduce power consumption on the graphics card.
What is the performance of the new card? Let's look at a set of official data.The opponent of the RX 5700 XT is the RTX 2070. At 2K resolution, the game performance can lead by 5% or so, and it is slightly behind. It also has 22% ahead of Battlefield 5.
It will replace RX Vega 56The performance of the same resolution is improved by 30%, and the performance under 2K is better than that of the latter under 1080p. Especially in the ultra-high image quality, the completely smooth reference line such as 60FPS and 90FPS can be stably achieved.
The opponent of the RX 5700 is the RTX 2060, which is 5-20% ahead of 2K resolution.