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AMD reveals the full specs of the Radeon RX 460 and RX 470

Renee Johnson
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Back when AMD’s Radeon RX 480 broke cover, we knew the Polaris party was just getting started. When the RX 480 bared all, AMD teased two more cards in its lineup that were meant to carry the $100-to-$300 PC gaming flag forward: the Radeon RX 470 and the Radeon RX 460. Today doesn’t mark the full Monty for these cards, but we do know enough about them now to make some bets about their place in the budding next-generation GPU landscape.

We’re left guessing at the exact holes in its lineup that AMD expects to fill with these cards because the company isn’t sharing pricing info yet, even as it gears up to launch this duo next week. We feel like we can make some educated guesses about the price points these graphics cards will hit, though, thanks to some simple math and a long history of reviewing these things. Let’s dive in.

The Radeon RX 460: drop-in desperado
The Radeon RX 460 is aimed right at the heart of the entry-level gaming market: folks who want titles like Dota 2, Counter-Strike: Global Offensive, League of Legends, and Rocket League to run smoothly, perhaps with a little bit of graphically-intensive gaming on the side.

The final RX 460 is a little different-looking than the bare-heatsinked model we’ve seen until now. AMD seems to have borrowed a page from the Radeon R9 Nano’s cooler when it designed the RX 460’s. The final card is kind of a one-and-a-half slot design that uses a single-slot bracket with a blower exhuast. The reference card appears to have one DisplayPort 1.3 out, one HDMI 2.0 out, and a DVI out. AMD will offer the RX 460 with 2GB or 4GB of 7GT/s GDDR5 RAM on board. 

The RX 460 is special because it’s AMD’s first card built with the smaller Polaris 11 GPU. As a quick refresher, this chip is a little less than half of the larger Polaris 10 chip that powers the Radeon RX 480. It has half the ROPs, less than half of the shaders, half the triangles per clock, and a memory bus that’s half as wide. It also has 1MB of L2 cache. It should be way smaller Polaris 10’s 232-mm² die, and AMD has also claimed that this chip is its thinnest GPU ever. That may sound like a weird point to make, but it’s important for achieving the kind of console-class gaming experiences in thin-and-light notebooks that AMD wants to deliver with the presumed mobile derivatives of the chip it has in the works.

  Base
clock
(MHz)
Boost
clock
(MHz)
ROP
pixels/
clock
Texels
filtered/
clock
(int8/
fp16)
SP
TFLOPs
Stream
pro-
cessors
Memory
path
(bits)
Memory
transfer
rate
(Gbps)
Memory
bandwidth
(GB/s)
Peak
power
draw
R7 260X 1100 16 56/28 2.0 896 128 6.5 96 115W
R9 265 925 32 64/32 1.9 1024 256 5.6 179 150W
RX 460 1090 1200 16 56/28 2.2 896 128 7 112 < 75W
GTX 750 Ti 1020 1085 16 40/40 1.4 640 128 5.4 86 60W
GTX 950 1024 1188 24 48/48 1.8 768 128 6.6 106 90W

Going by the basic numbers above, the RX 460 is a smidge more powerful than a GeForce GTX 750 Ti, our long-time favorite card for entry-level gaming systems. In certain measures, it even matches or exceeds the GeForce GTX 950, a perfectly competent card for gaming at 1920×1080.

If the RX 460’s performance in real-world testing shakes out similarly, it gives AMD a weapon it’s needed for a while now in the graphics card wars: a quiet, power-sipping card that can play popular games at or beneath 1920×1080 while dropping right into a PCIe slot with no need for external power. The card’s claimed “less than 75W” board power attests to that fact. That’s a big deal for prebuilt systems that need extra gaming oomph.

Given the huge communities around the e-sports titles that AMD is calling out in its materials, it’s a good bet the company will move a lot of these things if the RX 460’s performance is solid. If we had to guess, we’d expect the prices on reference 2GB RX 460s to be no more than $120 list—but that’s just a guess.

 

The Radeon RX 470: giving budget 1920×1080 gaming a boost
To nobody’s surprise, the Radeon RX 470 fills in the gap between the RX 460 and the 4GB RX 480. Here’s how it stacks up against a number of past graphics cards with similar specs:

  Base
clock
(MHz)
Boost
clock
(MHz)
ROP
pixels/
clock
Texels
filtered/
clock
(int8/
fp16)
SP
TFLOPs
Stream
pro-
cessors
Memory
path
(bits)
Memory
transfer
rate
(Gbps)
Memory
bandwidth
(GB/s)
Peak
power
draw
R9 280X 1000 32 128/64 4.1 2048 384 6 288 250W
RX 470 926 1206 32 128/64 4.9 2048 256 6.6 211 120W
RX 480 1120 1266 32 144/72 5.8 2304 256 7 224 150W
R9 290 947 64 160/80 4.8 2560 512 5 320 290W?
GTX 950 1024 1188 24 48/48 1.8 768 128 6.6 106 90W
GTX 960 1126 1178 32 64/64 2.4 1024 128 7.01 112 120W
GTX 970 1050 1178 56 104/104 3.9 2048 256 7.0 224 145W

To make the RX 470, AMD took the Polaris 10 GPU from the RX 480, turned off a few of its stream processors and texture units, and downclocked its GPU a bit, all while leaving its ROP count alone. The company then slapped 4GB of GDDR5 clocked at 6.6GT/s on board. The cuts made this way don’t seem to hurt the RX 470 much in our theoretical numbers, and they also let the card hit a 120W board power spec.

To give you a broad idea of where the RX 470 will land, AMD says the card can deliver more than 60 FPS in a range of popular titles like The Witcher 3, Rise of the Tomb Raider, Crysis 3, and Far Cry 4. Looking over the company’s endnotes suggests that many of those games were running at High or Ultra presets. If real-world performance matches those numbers, the RX 470 could be quite a compelling card for low-midrange gaming PCs.

AMD’s more specific set of performance numbers heavily favor games with implementations of next-generation APIs, where Radeons have so far enjoyed an advantage—Doom with its Vulkan renderer, and Total War: Warhammer and Hitman with DirectX 12. Still, in the two DX11 games on display, the RX 470 seems plenty up to the task of delivering a good gaming experience at 1920×1080 with a fair dose of eye candy on. Still, readers should take these internal numbers with the usual dump truck of salt.

Most everything else about the RX 470 seems pretty similar to the reference RX 480, right down to the reference cooler design. The card has three DisplayPort 1.3 outs and a single HDMI 2.0 out, and it’ll require a six-pin power connector.

Since we’re already playing the guessing game with pricing, we don’t feel bad saying that we expect the RX 470 reference card to ring in at about $160. The GTX 950 stalked that territory until just recently, and it seems probable that AMD wants to deliver a boost in performance at that price point, similar to what it’s done with the RX 480 at $200. Once again, however, this is just our gut estimate.

We’re still waiting on AMD’s official word for pricing, and we can expect to be smug or eat our crow pretty soon on this point. AMD is targeting an August 4 release for the RX 470, and the RX 460 will follow on August 8. We should get full information on each card then. Regardless of their actual prices, this duo of Polaris cards makes an exciting summer for PC gamers that much hotter.

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