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AMD Radeon VII Review: Team Red Is Back To Enthusiast GPUs (Page 2)

By Anthony Garreffa from Feb 7, 2019 @ 8:00 CST
TweakTown Rating: 91%Manufacturer: AMD

AMD Is First To 7nm

AMD has been a leader in many technological leaps over NVIDIA more than once, with the Radeon VII continuing that tradition with it being the first gaming GPU on 7nm. The new Radeon VII has its Vega 20 GPU die smaller than the Vega 10 on Radeon RX 64, with twice the HBM2 memory on the interposer.

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The shrink of the Vega GPU die down to 331mm2 from 495mm2 saves so much space that AMD added another two stacks of HBM2 which sees the Radeon VII featuring a huge 16GB of HBM2 memory at more bandwidth than ever before: 1TB/sec over the 512GB/sec of the 8GB of HBM2 on Radeon RX Vega 64.

Detailed Specs: Vega 10 vs Vega 20

AMD is calling its new Vega 20 GPU as a 'supercharged Vega architecture' with its industry leading 7nm process node and 16GB of ultra-fast HBM2 memory, all on the same interposer. This is a big deal, a very big deal compared to NVIDIA's way of making GeForce GTX/RTX cards with a separate GPU and VRAM.

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Vega 20 is made on the 7nm node with 3840 stream processors, 60 CUs, and a GPU clock of up to 1.8GHz. We have up to 13.8 TFLOPs of compute performance as well, which combined with the 16GB of HBM2 makes for quite the content creation monster.

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Vega 10 in comparison was made on 14nm with 64 CUs (4 CUs more than Vega 20), and 12.7 TFLOPs of performance. There was 8GB of HBM2 on a 2048-bit memory bus that resulted in 484GB/sec of memory bandwidth compared to the huge 16GB of ultra-fast HBM2 at 1TB/sec on Radeon VII.

Radeon VII has a 300W TDP offering much more performance than Radeon RX Vega 64 with a very similar 295W TDP.

The 16GB of HBM2 is ready on its 4096-bit memory bus for a whopping 1TB/sec of memory bandwidth.

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We have similar transistor counts between Vega 10 and Vega 20 with the new Radeon VII with its 7nm-built Vega 20 GPU featuring 13.2 billion transistors versus the 14nm-made Vega 10 and its 12.5 billion transistors.

AMD managed to shrink this down so much moving from a 495mm2 chip in Vega 10 on 14nm to just 331mm2 on Vega 20, all with more performance and double the VRAM with double the bandwidth.

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