AMD Radeon HD 7870M vs Intel UHD Graphics

Graphics Processor

GPU model Heathrow Amber Lake GT2
GPU variant Heathrow XT (216-0835033)
Architecture GCN 1.0 Generation 9.5
Foundry TSMC Intel
Manufacturing process 28 nm 14 nm
Number of transistors 1,500 million unknown
Die size 123 mm² unknown

Mobile graphics

Release date Apr 24th, 2012
Generation London (HD 7800M)
Production End-of-life
Interface PCIe 3.0 x16
Predecessor Vancouver
Successor Solar System

Clocks

GPU clock 800 MHz
Memory clock 1000 MHz 4 Gbps effective System Shared
Base clock 300 MHz
Boost clock 1050 MHz

Memory Configuration

Memory size 2 GB System Shared
Memory type GDDR5 System Shared
Memory bus width 128 bit System Shared
Bandwidth 64.00 GB/s System Dependent

Render Configuration

Shading units 640 192
TMUs 40 24
ROPs 16 3
Compute units 10
Cache L1 16 KB (per CU)
Cache L2 256 KB
Execution units 24

Performance

Pixel rate 12.80 GPixel/s 3.150 GPixel/s
Texture rate 32.00 GTexel/s 25.20 GTexel/s
FP32 (float) performance 1,024 GFLOPS 403.2 GFLOPS
FP64 (double) performance 64.00 GFLOPS (1:16) 100.8 GFLOPS (1:4)
FP16 (half) performance 806.4 GFLOPS (2:1)

Dimensions & Outputs

TDP 45 W 15 W
Outputs No outputs No outputs
Slot width IGP

API Support & Features

DirectX 12 (11_1) 12 (12_1)
OpenGL 4.6 4.6
OpenCL 1.2 3.0
Vulkan 1.2 1.2
Shader model 5.1 6.4

Other Features

Integrated Graphics

Release date Aug 21st, 2019
Generation HD Graphics-T (Amber Lake)
Production Active
Interface Ring Bus
Reviews 1 in our database

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