i3DSpeed, December 2009
ATI RADEON HD 5850 1024MB DDR5 (725/725/4000 MHz)
Andrey Vorobiev; January 4, 2010.
On the example of Sapphire RADEON HD 5850 1024MB DDR5 (725/725/4000 MHz).
- GPU: RADEON HD 5850 (Cypress)
- 1024 MB GDDR5 SDRAM in 8 Samsung chips on both sides; 1250 (5000) MHz peak clock rate
- Interface: PCI-Express x16
- GPU (ROPs/Shaders) clock rate: 725/725 MHz (nominal)
- Memory clock rate, physical (effective): 1000 (4000) MHz (nominal)
- Bus width: 256-bit
- Vertex processors: -
- Pixel processors: -
- Unified processors: 1440
- Texture processors: 72 (BLF/TLF)
- ROPs: 32
- Size: 260x100x33 mm
- PCB color: black
- RAMDACs/TDMS: integrated into GPU
- Outputs: 2 x DVI (Dual-Link/HDMI), Display Port, HDMI
- VIVO: -
- Multi-GPU: Hardware CrossFire
The card looks like HD 4890, with the same 256-bit bus and 8 memory chips. However, outputs have changed a lot, because the card supports three receivers simultaneously and has 4 connectors (HDMI and Display Port cannot be used simultaneously). Also, the power supply unit has changed comparing to its predecessor due to the peculiarities of the new core and its power needs.
Graphics cards of this family are equipped with a built-in audio codec. So nothing else is required to transmit audio streams to HDMI (directly or via a DVI-to-HDMI adapter).
The card has two 6-pin power connectors.
This card requires a DVI-to-D-Sub adapter to be connected to an analog monitor with a D-Sub interface.
Maximum resolutions and frequencies:
- 240 Hz maximum refresh rate
- 2048 x 1536 x 32bit @ 85Hz Max - analog interface
- 2560 x 1600 @ 60Hz Max - digital interface (all Dual-Link DVIs)
The HDTV review is available here.
We thank AMD
for the provided graphics card.
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