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ATI unveils RADEON X300 SE graphics and HyperMemory technology

ATI Technologies officially unveiled its new HyperMemory technology which resembles NVIDIA TurboCache. The innovation is called to minimize the cost price of entry-level graphics cards.

The idea of HyperMemory is to store a part of information about frame buffer, textures, etc. in the system shared memory instead of the local. Thus addressed via PCI Express x16 shared memory "virtually" widens card´s bus and memory capacity. For example, a 32MB of 64-bit memory is claimed to look good on the background of 128MB of 128-bit memory.

For desktop systems ATI offers two cards: RADEON X300 SE 128MB HyperMemory and RADEON X300 SE 256MB HyperMemory:

RADEON X300 SE 128MB HyperMemory 256MB HyperMemory
Local memory 32MB 128MB
Bus width 64-bit 64-bit
Memory organization 4M x 32 BGA 16M x 16 TSOP
# of memory chips 2 4
Core / memory clock 325MHz / 300MHz 325MHz / 300MHz

The novelties are based on 110nm RV370 SE GPU with 4 pixel and 2 vertex pipelines and 325MHz core. The reference RADEON X300 SE 128MB card has low-profile design, so it lacks DVI-I:

The GPU and two BGA memory chips are cooled passively. The MSRP of RADEON X300 SE 128MB is $59.

HyperMemory is also supported by ATI chipsets and mobile GPUs:


  • MOBILITY RADEON X300 128MB HyperMemory
  • MOBILITY RADEON X300 256MB HyperMemory


  • MOBILITY RADEON X600 128MB HyperMemory
  • MOBILITY RADEON X600 256MB HyperMemory
  • MOBILITY RADEON X600 SE 128MB HyperMemory

RADEON XPRESS 200 (AMD processors)

  • RADEON XPRESS 200 64MB HyperMemory
  • RADEON XPRESS 200 128MB HyperMemory
  • RADEON XPRESS 200 256MB HyperMemory
  • RADEON XPRESS 200M 64MB HyperMemory
  • RADEON XPRESS 200M 128MB HyperMemory
  • RADEON XPRESS 200M 256MB HyperMemory

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