ATI Radeon HD 3870 vs Intel HD Graphics 615

Table of Contents

Graphics Processor

GPU model RV670 Kaby Lake GT2
GPU variant RV670 XT (215-0708005)
Architecture TeraScale Generation 9.5
Foundry TSMC Intel
Manufacturing process 55 nm 14 nm++
Number of transistors 666 million unknown
Die size 192 mm² unknown

Graphics Card

Release date Nov 19th, 2007
Generation Radeon R600
Production End-of-life
Launch price 269 USD
Interface PCIe 2.0 x16
Reviews 80 in our database
Predecessor Radeon R500 PCIe
Successor Radeon R700

Clocks

GPU clock 777 MHz
Memory clock 1126 MHz 2.3 Gbps effective System Shared
Base clock 300 MHz
Boost clock 850 MHz

Memory Configuration

Memory size 512 MB System Shared
Memory type GDDR4 System Shared
Memory bus width 256 bit System Shared
Bandwidth 72.06 GB/s System Dependent

Render Configuration

Shading units 320 192
TMUs 16 24
ROPs 16 3
Compute units 4
Cache L2 256 KB
Execution units 24

Performance

Pixel rate 12.43 GPixel/s 2.550 GPixel/s
Texture rate 12.43 GTexel/s 20.40 GTexel/s
FP32 (float) performance 497.3 GFLOPS 326.4 GFLOPS
FP64 (double) performance 99.46 GFLOPS (1:5) 81.60 GFLOPS (1:4)
FP16 (half) performance 652.8 GFLOPS (2:1)

Dimensions & Outputs

Slot width Dual-slot IGP
Length 241 mm 9.5 inches
TDP 106 W 5 W
Suggested PSU 300 W
Outputs 2x DVI1x S-Video No outputs
Power connectors 1x 6-pin
Board number B339

API Support & Features

DirectX 10.1 (10_1) 12 (12_1)
OpenGL 3.3 (full) 4.0 (partial) 4.6
OpenCL 3.0
Vulkan 1.2
Shader model 4.1 6.4

Other Features

Integrated Graphics

Release date Aug 30th, 2016
Generation HD Graphics-M (Kaby Lake)
Production Active
Interface Ring Bus
Reviews 1 in our database

Compare

Sysrqmts browser extension icon
Stop overpaying for PC games!
See cheapest prices in Steam store with our browser extension.