AMD Radeon HD 7850M vs ATI Mobility Radeon HD 5770

Table of Contents

Graphics Processor

GPU model Heathrow Madison
GPU variant Heathrow PRO Madison XT (216-0772003)
Architecture GCN 1.0 TeraScale 2
Foundry TSMC TSMC
Manufacturing process 28 nm 40 nm
Number of transistors 1,500 million 627 million
Die size 123 mm² 104 mm²

Mobile graphics

Release date Apr 24th, 2012 Jan 7th, 2010
Generation London (HD 7800M) Manhattan (Mobility HD 5700)
Production End-of-life End-of-life
Interface PCIe 3.0 x16 PCIe 2.0 x16
Predecessor Vancouver M9x
Successor Solar System Vancouver
Reviews 2 in our database

Clocks

GPU clock 675 MHz 650 MHz
Memory clock 1000 MHz 4 Gbps effective 800 MHz 3.2 Gbps effective

Memory Configuration

Memory size 2 GB 1024 MB
Memory type GDDR5 GDDR5
Memory bus width 128 bit 128 bit
Bandwidth 64.00 GB/s 51.20 GB/s

Render Configuration

Shading units 640 400
TMUs 40 20
ROPs 16 8
Compute units 10 5
Cache L1 16 KB (per CU) 8 KB (per CU)
Cache L2 256 KB 256 KB

Performance

Pixel rate 10.80 GPixel/s 5.200 GPixel/s
Texture rate 27.00 GTexel/s 13.00 GTexel/s
FP32 (float) performance 864.0 GFLOPS 520.0 GFLOPS
FP64 (double) performance 54.00 GFLOPS (1:16)

Dimensions & Outputs

TDP 40 W 30 W
Outputs No outputs No outputs

API Support & Features

DirectX 12 (11_1) 11.2 (11_0)
OpenGL 4.6 4.4
OpenCL 1.2 1.2
Vulkan 1.2
Shader model 5.1 5.0

Other Features

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