XFX has quietly started to sell its slim Radeon RX 460 video cards, which use a single-slot cooling system and can fit into a Mini-ITX computer. The cards features 2 or 4 GB of memory depend on SKU, as well as three display connectors, making them suitable for SFF and HTPC builds. Pricing of the cards is in line with AMD’s recommendations at around $140.

The XFX Radeon RX 460 Slim Single Slot Design lineup consists of two graphics adapters carrying 2 or 4 GB of GDDR5 memory (operating at up 7 GT/s). The card ships with a 1220 MHz GPU boost clock - so XFX hasn't needed to make any sacrifices when it comes to top clockspeeds - and like every other RX 460 on the market we're looking at a cut-down version of the afformentioned Polaris 11 GPU (896 stream processors). The GPU is cooled by a relatively large cooling system featuring an aluminum heatsink with an 80- or a 90-mm fan at its center. When it comes to connectivity, the cards have one DL-DVI-D port, one DisplayPort 1.4, and one HDMI 2.0b port.

The AMD Polaris 11 GPU supports a contemporary feature-set via the DirectX 12 and Vulkan APIs. What's more, the graphics chip features hardware-accelerated decoding and encoding of HEVC (H.265) and VP9 video at 4Kp60, as well as HDR10 video output and HDCP 2.2 — all important capabilities for HTPCs. Last, but not least, performance of the GPU in graphics applications is considerably higher compared to most of today’s iGPUs and thus the new boards can be used to upgrade various OEM PCs.

The key selling points of the XFX Radeon RX 460 Slim Single Slot Design graphics cards are their short length and uncommon single-slot width. The cards are just 170 mm long and thus are fully compatible with Mini-ITX builds. In addition, they can fit into densely packed systems that do not have a lot of spare space inside for a more traditional double-wide card. Furthermore the cards as sub-75W, and consequently do not require any auxiliary power connectors, which means they can be used to upgrade PCs whose PSUs don't offer those connectors.

XFX Radeon RX 460 Slim Single Slot Design Graphics Cards
  RX-460P4TFG5 RX-460P2TFG5
GPU AMD Polaris 11
Stream Processors 896
Texture Units 56
ROPs 16
Core Clock (MHz) 1090
Boost Clock (MHz) 1220
Memory Capacity 4 GB 2 GB
Type GDDR5
Clock 7 Gbps
Bus Width 128 bit
Outputs DisplayPort 1 × DisplayPort 1.4
HDMI 1 × HDMI 2.0b
TFLOPS (FP32) Up to 1.95
TDP 75 W
Launch Date 2/2017 unknown
Additional Information Link Link

The XFX Radeon RX 460 Slim Single Slot Design graphics cards with 4 GB of GDDR4 memory are already available from Amazon and Newegg for $167.99 and $139.99 (this is AMD’s MSRP for the RX 460 4 GB), respectively. The 2 GB version of the card is missing from retail, but it should hit the market eventually.

One of the images in the gallery courtesy of Newegg.

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  • kaidenshi - Saturday, February 25, 2017 - link

    The Nvidia Shield TV plays video at 4K60 and uses a 40w brick, so it's certainly possible. It's a custom Maxwell chip though. As for desktops, the GTX 750is the lowest wattage 4k-capable PCIe card, and it's rated at 55 watts. AMD offers a low profile 4K60 capable card, the R7 240, but it idles at 55 watts and ramps up to 122 watts when playing 4K video, so it's out of the picture for your needs.
  • PixyMisa - Sunday, February 26, 2017 - link

    What? The R7 240 is a 30W card.
  • kaidenshi - Sunday, February 26, 2017 - link

  • StevoLincolnite - Sunday, February 26, 2017 - link

    No way does the Radeon R7 250 use 122 watts. It doesn't have PCI-E power... Thus it can only draw up-to 75w from the PCI-E slot.
  • kaidenshi - Sunday, February 26, 2017 - link

    According to the link I posted in reply to PixyMisa above, it can and does.
  • DanNeely - Sunday, February 26, 2017 - link

    Those are wall power measurements, not for the GPU as a whole. While a handful of sites have invested in the instrumented PCIe risers in the aftermath of power-gate needed to measure PCIe draw directly, most have not and that article dates to 2014; at which point in time I'm not aware of anyone doing so.

    With the screen off and the system at sleep Tom's test system draws 57W; the difference between that and the GPU at full load of 122W is 65W, but those 65W also include: the power used by the CPU to feed the GPU, the power used by any system fans (case, CPU, etc) that turned back on when the system was woken up, as well as PSU efficiency losses. The oversized 850W PSU Toms tested with is only about 76% efficient running the GPUs (and considerably less at idle). The 122W wall power number only corresponds to ~95W under load. The 65W idle number is probably somewhere between 40 and 50W DC (can't find numbers, but non- 80+ Platinum PSUs are generally utterly awful at 10% load). Remembering the various other loads on the system that can'be directly quantified somewhere 25-40W looks about right for this card.

    Doing the same thing with some of the higher power cards in the review indicates that they're all also hitting around their rated TDPs.

  • kaidenshi - Sunday, February 26, 2017 - link

    Yep, I completely misread that article. Ryan Smith below wrote that the R7 cards don't actually have a video decode block, yet they are advertised as 4K capable. So now I'm not sure even those cards would fit the requirements.
  • Ryan Smith - Sunday, February 26, 2017 - link

    Bear in mind that the Radeon 240/250 are based on Oland, and Oland doesn't have a video decode block. The odds are your CPU has one, but it's still a potential issue.
  • eldakka - Sunday, February 26, 2017 - link

    Many of the recent highish-end SoCs can deliver 4k video on integrated graphics.

    NUCs, mini-PCs, ARM-based systems like the Wetek hub/play/core, ODROID C2, Xiaomi's Mi Box, etc. Use a LibreELEC distribution (bare-bones Linux + Kodi (used to be XBMC)) and get a HTPC for less than the cost of this card.

    Of course, it depends on your exact requirements ;)
  • kaidenshi - Sunday, February 26, 2017 - link

    FwFred was specifically asking for an addon desktop GPU as he already has an HTPC.

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