Radeon r400 series explained in details
Table of contents:
Radeon R400 series explained in details. With the arrival of the Radeon R400 series AMD has decided to make a quite important change in the way of naming its graphics cards, changes that we explain in detail.
AMD debuts new nomenclature in its Radeon R400 series
First of all we have that the prefix "RX" will be used only on cards that meet two fundamental requirements:
- Power greater than 1.5 TFLOPs Memory bandwidth greater than 100 GB / s
Cards that do not meet these two requirements will simply be sold with the “R” prefix and will be the least powerful cards yet capable of running 1080p and 60 FPS simple games like DOTA 2 or League of Legends.
AMD has also confirmed that we will see revisions with the nomenclature "XX5" that in this series corresponds to "4X5". These reviews will be optimized versions to improve performance without increasing power consumption, something very similar to what happened for example with the Radeon HD 7970 and the Radeon HD 7970 GHz Edition. It can also be used in reviews where only the card's clock frequency is increased.
AMD has established a classification of its new cards that is based on 8 ranges that will be divided into five groups. These five groups in turn are divided into two ranges that correspond to the low range (64-bit and 128-bit / 1080p) and three ranges ranging from the so-called mid-range to the high range (128-bit / 1080p, 256-bit / 1440p and 256 bit / 4K). The top of the range will be the Radeon RX 490, which in turn will be surpassed by its own review, the Radeon RX 495.
Nothing was mentioned about the possibility of new cards belonging to the Radeon Fury series that AMD released a few months ago with the arrival of Fiji. The hypothetical new Fury cards would arrive based on the Vega architecture to compete with the Nvidia GP104 and GP102 chips.
| 4 - GENERATION | X - TIER | X - REVISION |
| AMD Radeon 400 Series | |||
|---|---|---|---|
| Series | TIER | Model Codename | Revision |
| Radeon RX 4XX | TIER 9 > 256-bit / 4K | AMD Radeon RX 495 | 2nd Revision |
| AMD Radeon RX 490 | 1st Revision | ||
| TIER 8
256-bit / 1440p |
AMD Radeon RX 485 | 2nd Revision | |
| AMD Radeon RX 480 | 1st Revision | ||
| TIER 7
256-bit / 1440p |
AMD Radeon RX 475 | 2nd Revision | |
| AMD Radeon RX 470 | 1st Revision | ||
| TIER 6
128-bit / 1080p |
AMD Radeon RX 465 | 2nd Revision | |
| AMD Radeon RX 460 | 1st Revision | ||
| TIER 5
128-bit / 1080p |
AMD Radeon RX 455 | 2nd Revision | |
| AMD Radeon RX 450 | 1st Revision | ||
| Radeon 4XX | TIER 6
128-bit / 1080p |
AMD Radeon 465 | 2nd Revision |
| AMD Radeon 460 | 1st Revision | ||
| TIER 5
128-bit / 1080p |
AMD Radeon 455 | 2nd Revision | |
| AMD Radeon 450 | 1st Revision | ||
| TIER 4
64-bit |
AMD Radeon 445 | 2nd Revision | |
| AMD Radeon 440 | 1st Revision |
Source: videocardz
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