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XFX Radeon HD 6870 graphics card, black dual-slot cooler with single fan, metal backplate, two DVI, one HDMI, two mini DisplayPort

XFX

XFX Radeon HD 6870 HD-687A-ZHFC 1GB GDDR5 graphics card

SKU CH-DHTG-S4S8E

1 GB GDDR5 on a 256-bit bus, 900 MHz core, 1120 stream processors and PCIe 2.1 x16 for DirectX 11 gaming

  • InterfacePCI Express 2.1 x16
  • Chipset ManufacturerAMD
  • GPURadeon HD 6870
  • Core Clock900 MHz
  • Stream Processors1120
  • Effective Memory Clock1050 MHz
  • 1GB GDDR5 on a 256-bit bus feeds high-resolution textures
  • Core runs at 900 MHz for responsive 3D performance
  • 1120 stream processors handle parallel workloads efficiently
  • Eyefinity drives up to three displays from one card
  • PCI Express 2.1 x16 interface provides ample host bandwidth

XFX Radeon HD 6870 1GB GDDR5

The XFX Radeon HD 6870 is a DirectX 11 graphics card with 1GB of GDDR5 memory on a 256-bit bus. It runs at a 900 MHz core clock and a 1050 MHz effective memory clock. The GPU provides 1120 stream processors and connects through a PCI Express 2.1 x16 slot. Outputs include one HDMI, two Mini DisplayPort and two DVI ports.

Suited for DirectX 11 gaming at 2560 x 1600

This card suits builders wanting a single-slot era GPU for 1080p or 1440p DirectX 11 titles and Eyefinity multi-monitor setups. It supports OpenGL 4.1 and HDCP for protected content playback. Users targeting modern APIs, 4K resolution or high-refresh competitive play should consider newer architectures with more memory and updated feature sets.

Fits PCIe 2.1 x16 builds with dual-link DVI

The board installs in any PCI Express 2.1 x16 slot and draws power from the slot and auxiliary connectors. Its 256-bit memory interface and 1GB frame buffer free up system RAM for other tasks. The mixed DVI, HDMI and Mini DisplayPort layout lets you drive up to three displays without active adapters, simplifying cable routing in compact cases.

Highlights

  • 1GB GDDR5 on a 256-bit bus feeds high-resolution textures
  • Core runs at 900 MHz for responsive 3D performance
  • 1120 stream processors handle parallel workloads efficiently
  • Eyefinity drives up to three displays from one card
  • PCI Express 2.1 x16 interface provides ample host bandwidth

Specifications

BrandXFX
ModelHD-687A-ZHFC
InterfacePCI Express 2.1 x16
Chipset ManufacturerAMD
GPURadeon HD 6870
Core Clock900 MHz
Stream Processors1120
Effective Memory Clock1050 MHz
Memory Size1GB
Memory Interface256-Bit
Memory TypeGDDR5
DirectXDirectX 11
OpenGLOpenGL 4.1
HDMI1 x HDMI
DisplayPort2 x Mini DisplayPort
DVI2 x DVI (1 Single Link, 1 Dual Link)
TunerNone
RAMDAC400MHz
Max Resolution2560 x 1600
Eyefinity SupportYes
CrossFireX SupportYes
CoolerWith Fan
System RequirementsMinimum of a 500 Watt power supply.
Power Connector2 x 6-Pin
Dual-Link DVI SupportedYes
HDCP ReadyYes
Card Dimensions (L x H)8.66" x 4.4" x 1.5"

Questions about this item

Does my motherboard need a PCI Express 2.1 x16 slot for this Radeon HD 6870 to function?

Yes, the card connects through a PCI Express 2.1 x16 interface, so the board must provide that slot for the GPU to operate.

Will the card run in an older system that only has PCI Express 1.1 slots?

The card is built for PCI Express 2.1 x16; it will physically fit a 1.1 slot but will operate at the lower 1.1 bandwidth.

How can I confirm the GPU is running at its 900 MHz core clock after installation?

Use monitoring software such as GPU-Z or AMD Radeon Software to read the live core clock and verify it reaches 900 MHz under load.

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