Intel to unveil Xe-HPG gaming architecture with hardware ray-tracing

Published: 12th Aug 2020, 16:23 GMT   Comments

Intel has confirmed it is developing another Xe sub-architecture.

Intel Xe-HPG for enthusiast gamers coming in 2021

Intel has been actively developing another GPU architecture since 2018. This is another Xe micro-architecture called Xe-HPG optimized for gaming. The XPG roadmap spans from mid-range to enthusiast segments. It was built upon the three Xe pillars: Xe-LP (Graphics Efficiency), Xe-HP (Scalability) and Xe-HPC (Compute Efficiency).

Intel has not confirmed the specifications of the GPU, but it was said that it features the GDDR6 memory subsystem to improve the performance per dollar ratio. On the other hand, the Xe-HP series will feature HBM memory.

NVIDIA introduced hardware raytracing 2 years ago with GeForce RTX 20 series. AMD is expected to launch its RDNA2-based graphics cards leveraging hardware raytracing later this year. Intel has also confirmed their Xe-HPG series will support hardware-accelerated raytracing.

Based on we have heard, the Xe-HPG will be manufactured by an external foundry. The Xe-HPG GPUs are currently being evaluated at Intel labs. The plan is to ship this architecture in 2021.

Intel Xe Graphics Architecture
VideoCardz.comXe-LPXe-HPGXe-HPXe-HPC
SegmentEntry-level/IntegratedEnthusiast/Mid-Range GamingData Center/AIHPC Exascale
ArchitectureIntel 10nm SuperFinExternalIntel 10nm SuperFinIntel 10nm SF + External
PackagingStandardStandardEMIBFoveros CO-EMIB
Max EUs/Tiles96 / 1TBC / 12048 / 4TBC / 16?
Products
TigerLake/DG1/SG1
Xe-LP
GDDR6?
Rumored DG2
Xe-HPG
GDDR6
Arctic Sound
Xe-HP 1/2/4-tile
HBM2
Ponte Vecchio
Xe-HPC 16-tiles?
HBM2
Launch Year2020202120212021

Intel Xe-LP: SG1

Intel will introduce another Xe-LP based product called SG1. Sadly this is not a special edition for StarGate SG1 fans, but a dedicated server graphics card which will ship later this year.

Intel Xe-HP up to 2048 Execution Units

Intel has allegedly confirmed the specifications of its Xe-HP series. There will be three variants featuring 1, 2 and 4 tiles. It was revealed that the graphics device is codenamed ‘XeHP HD Graphics Neo‘, but we also know it as Arctic Sound. The demo was used to show 1 to 4-tile scaling on this GPU.

This demo revealed the core count for each of these graphics processor variants. The 1-tile variant will feature 512 EUs, 2-tile variant gets 1024 EUs and the highest-spec’ed model with 4-tiles gets 2048 EUs.

We have been told that Intel expects near-linear FP32 compute scaling for these multi-tile graphics processors. Intel allegedly demonstrated the following results:

Intel Xe-HP Architecture
VideoCardz.comArctic SoundXe-HP 2-tileXe-HP 1-tile
GPU10nm Xe-HP (4-tile)10nm Xe-HP (2-tile)10nm Xe-HP (1-tile)
Execution Units
 
2048
 
1024
 
512
FP32 Performance
 
42.3 TFLOPs
 
21.2 TFLOPs
 
10.6 TFLOPs
Demoed on 4-tile GPU with 1300 MHz clock

Intel Xe-HP 1 tile, 2 tile and 4 tile GPUs




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