AMD Radeon HD 7870 XT Full Specs

Summary

1,536 Shaders 975MHz

2GB GDDR5192GB/s

Peak·FP32·FP16 3 TFLOPS

Form Factor PCIe Card

TDP 185W

Power Connectors 2x 6-Pin

Highlights

Peak OPS

Peak OPS FP32 FP64 Memory Bandwidth

Radeon HD 7870 XT3 TFLOPSFP32

x1

Top Score3.35 PFLOPS FP4 Tensor SparseDesktop1xGeForce RTX 5090

x1119.15

Theoretical Performance

Clock Speed975MHz UC·Base·Boost·OC

Peak OPS 3 TFLOPSFP32

FP32 3 TFLOPS

FP64 748.8 GFLOPS

Pixel Rate 31.2 GPixel/s

Texture Rate 93.6 GTexel/s

Core Config

Shaders 1,536 Shaders

TMUs 96 TMUs

ROPs 32 ROPs

CUs 24 CUs

Clocks

Base Clock 925MHz

Boost Clock 975MHz

Cache

L1 16KB/CU

L2 Cache 768KB shared

Memory

2GB GDDR5

Memory Bus 256-bit

Memory Speed 6GT/s

Memory Bandwidth 192GB/s

ECC No

Power & Thermals

TDP 185W

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 Tahiti

Chip Variant Tahiti LE

Market Segment Desktop

Release Date Nov 19, 2012

Fabrication

Foundry TSMC

Fabrication Node 28nm

Die Size 352mm²

Transistor Count 4.3B

Transistor Density 12.25 MTr/mm²

Images