AMD presents Radeon RX 5700XT and RX 5700 with RDNA - released July 7

Ahead of the E3 2019 gaming fair, AMD is holding an event in Los Angeles to talk about this year’s news. The focus is on TSMC’s 7-nanometer technology, which lays the foundation for all new products from AMD. In parallel with the Ryzen 3000 series, it is about the long-talked-about graphics generation “Navi”, which is based on what is said to be a completely new architecture – Radeon DNA (RDNA).

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1 Specifications: AMD Radeon RX 5700XT and RX 5700

2 Related posts:

The generation begins with a graphics circuit that is popularly called Navi 10, but which AMD internally gave the shorter name Navi. The circuit is intended for the middle segment and is therefore a relatively small creation with its 251 mm², which is just over half of the Vega 10 at 14 nanometers that Navi replaces.

One of the great architectural innovations is a new calculation unit, Compute Unit (CU), where the focus during development was on better single-wire performance and to make better use of all resources for smaller calculations. AMD’s new computing units are in pairs of two, where they share certain resources and can collaborate when needed.

Specifications: AMD Radeon RX 5700XT and RX 5700

	RX 5700XT	RX 5700	Radeon VII	RX Vega 64
Technical	7 nm TSMC	7 nm TSMC	7 nm TSMC	14 nm Samsung
Circuit	Navi	Navi	Vega 20	Vega 10
Circuit surface	251 mm²	251 mm²	331 mm²	484 mm²
Transistors	10.3 billion	10.3 billion	13.2 billion	12.5 billion
Architecture	RDNA	RDNA	Vega	Vega
Streamproc.	2 560 st.	2 304 st.	3 840 st.	4 096 st.
Texture units	160 st.	144 st.	240 st.	256 st.
Raster units	64 st.	64 st.	64 st.	64 st.
Clock frequency	1 605 MHz	1 465 MHz	1 400 MHz	1 247 MHz
Playing frequency	1 755 MHz	1 625 MHz	–	–
Turbo frequency (max frequency)	1 905 MHz	1 725 MHz	1 750 MHz (1 800 MHz)	1 546 MHz (1 630 MHz)
Computational power	9 754 GFLOPS	7 949 GFLOPS	13 440 GFLOPS	12 665 GFLOPS
Memory bus	256-bit	256-bit	4 096-bit	2 048-bit
Memory amount	8 GB GDDR6	8 GB GDDR6	16 GB HBM2	8 GB HBM2
Memory frequency	14 000 MHz	14 000 MHz	2 000 MHz	1 890 MHz
Memory bandwidth	448 GB/s	448 GB/s	1 TB / s	484 GB/s
Power supply	8+6-pin	8+6-pin	8+8-pin	8+8-pin
Outputs	1 st. HDMI 2.0b 3 st. DP 1.4	1 st. HDMI 2.0b 3 st. DP 1.4	1 st. HDMI 2.0b 3 st. DP 1.4	1 st. HDMI 2.0 3 st. DP 1.4
TBP	225 W	180 W	300 W	295 W
Rec. Award	$449	$379	$699	$499

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The first products with Navi will be the Radeon RX 5700XT and RX 5700, which are intended to replace the Radeon RX Vega 64 and RX Vega 56. The models go completely sonic up against Nvidia’s Geforce RTX 2060 and RTX 2070 which have recommended prices of 349 and 499 USD respectively. For those who want higher performance, AMD continues to refer to the Radeon VII, which competes with the Geforce RTX 2080.

The top model Radeon RX 5700XT comes with full-featured Navi, which means 40 computing units for a total of 2,560 stream processors and 160 texture units. The second model is called Radeon RX 5700 and has 4 computing units disabled, which means that the graphics card gets 2,304 stream processors and 144 texture units.

The AMD Radeon RX 5700 XT has 160 texture units while the RX 5700 steps down to 144 pieces. Common to both are 64 raster units and a memory bus with a width of 256 bits. One of the big news is that AMD, like Nvidia with the architecture Turing, is taking the step over to GDDR6. With an effective clock frequency of 14,000 MHz, the models have a theoretical bandwidth of 448 GB / s, which is directly comparable with Nvidia’s Geforce RTX 2070 and RTX 2080.

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When it comes to clock frequencies, AMD now presents three values, which according to the company is after feedback from customers who have considered that previous values have been misleading. It is about Base, Game and Boost, where the first indicates a worst case scenario that according to AMD will never occur outside the so-called power virusapplications such as Furmark.

The second value, Game, is what AMD thinks is the “real” bass frequency that graphics cards should practically never dip below when playing games. That they have chosen to keep Base attributes AMD’s product manager for Radeon, Laura Smith, openly because the company’s lawyers became “nervous” when it came up with the proposal to strike out Base from the official specifications.

The third value, Boost, is a turbo frequency and the value that AMD presents on each graphics card is what consumers should expect to see. At the same time, AMD is clear that it Boost presented is not a frequency cap, but the graphics cards have the opportunity to step up even higher.

The new graphics cards will first be released with PCI Express 4.0, which doubles the bandwidth compared to version 3.0. This means that AMD means that they match well with the company’s new Ryzen 3000 series and motherboards with the control circuit X570. At the same time, the company openly admits that the benefits this provides are not very great today and that there are very specific scenarios where it gives Navi an advantage over the competitor Nvidia.

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Despite a new architecture of 7 nanometers and the thoughtful positioning, the duo has relatively high power consumption. For the Radeon RX 5700XT, 225 W is stated, while the RX 5700 is at 180 W. As usual, they therefore have solid circuit boards with 7-phase power supply and supply via 8 + 6-pin PCI Express.

The launch of the Radeon RX 5700XT and RX 5700 takes place on July 7 and the recommended prices are 449 and 379 dollars respectively, corresponding to 5,300 and 4,500 kronor including VAT.

As AMD gave us a few hours to produce content based on all the information, we are waiting with a more in-depth review until the graphics cards arrive at the test lab. Until then, you can read all the presentations related to the Radeon RX 5700 series and RDNA on the next page of this article.