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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

  • Graphics processorRadeon HD 6870
  • Memory capacity1 GB
  • Interface typePCI Express 2.1 x16
  • Shader units1120
  • Highest resolution2560 × 1600
  • Type of memoryGDDR5
  • 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.

How it compares

Measured against everything we stock in Desktop GPUs & Video Cards, at today’s prices. Recalculated every night.

Price $169.99
Cheaper than about 78% of the 4,285 comparable items (median $354.99).
Memory capacity 1 GB
Lower than about 98% of the 3,563 comparable items (median 8 GB).
Shader units 1120
Lower than about 94% of the 637 comparable items (median 2,560).

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Specifications

Product
Brand nameXFX
Model nameHD-687A-ZHFC
Memory
Type of memoryGDDR5
Display
Highest resolution2560 × 1600
Graphics
Graphics processorRadeon HD 6870
Memory capacity1 GB
Shader units1120
Core frequency900 MHz
Chipset makerAMD
Effective memory speed1050 MHz
Memory bus width256-Bit
DirectX support11
OpenGL support4.1
CrossFireX compatibilityYes
Audio & video
TV tunerNone
HDCP supportYes
Ports & slots
Interface typePCI Express 2.1 x16
HDMI ports1 x HDMI
DisplayPort connectors2 x Mini DisplayPort
DVI ports2 x DVI (1 Single Link, 1 Dual Link)
Dual-link DVI supportYes
Power
Power input connector2 × 6-Pin
Size & build
Card size8.66 in × 4.4 in × 1.5 in
Compatibility
Eyefinity supportYes
More details
Cooling solutionWith Fan
RAMDAC400 MHz

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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