AMD Radeon HD 7870 GHz Full Specs

Summary

1,280 Shaders 1GHz

2GB GDDR5153.6GB/s

Peak·FP32·FP16 2.56 TFLOPS

Form Factor PCIe Card

TDP 175W

Power Connectors 2x 6-Pin

Theoretical Performance

Clock Speed1000MHz UC·Boost·OC

Peak OPS 2.56 TFLOPSFP32

FP32 2.56 TFLOPS

FP64 160 GFLOPS

Pixel Rate 32 GPixel/s

Texture Rate 80 GTexel/s

Core Config

Shaders 1,280 Shaders

TMUs 80 TMUs

ROPs 32 ROPs

CUs 20 CUs

Clocks

Boost Clock 1GHz

Cache

L1 16KB/CU

L2 Cache 512KB shared

Memory

2GB GDDR5

Memory Bus 256-bit

Memory Speed 4.8GT/s

Memory Bandwidth 153.6GB/s

ECC No

Power & Thermals

TDP 175W

Video Output

Max Resolution 4096x2160

Refresh Rate Calculator 3840x2160 Resolution4K UHD Refresh Rate 64Hz

Multi-Monitor 3

DSC Not Supported

Ports

2x Mini DisplayPort 1.2 1x HDMI 1.4 1x DVI-I Dual-Link

API Support

Shader Model 6.5

DirectX DirectX 12 Direct3D 11_1

OpenGL 4.6 OpenCL 2.1 Vulkan 1.2

GFX 6

Encoder

Encoder VCE 1.0

Codec AVC (H.264)

Decoder

Decoder UVD 4.0

Codec MPEG-1 MPEG-2 MPEG-4 VC-1 AVC (H.264)

Card

Form Factor PCIe Card

PCIe PCIe 3.0 x16 2-Slots

Height 111mm (4.37") Width 241mm (9.49") Depth 37mm (1.46")

Cooling Blower 1x Fan

Power Connectors 2x 6-Pin

Multi-GPU Multi-GPU Support Supported Multi-GPU Type 2-way CrossFireX

Chip

Manufacturer AMD

Chip Designer AMD

Architecture GCN 1

Family Radeon HD 7000

Branding

Codename Pitcairn

Chip Variant Pitcairn Pro

Market Segment Desktop

Release Date Mar 5, 2012

Fabrication

Foundry TSMC

Fabrication Node 28nm

Die Size 212mm²

Transistor Count 2.8B

Transistor Density 13.21 MTr/mm²

Images