AMD Radeon HD 7850M vs ATI Radeon HD 5770 X2

Table of Contents

Graphics Processor

GPU model Heathrow Juniper
GPU variant Heathrow PRO Juniper XT (215-0754013)
Architecture GCN 1.0 TeraScale 2
Foundry TSMC TSMC
Manufacturing process 28 nm 40 nm
Number of transistors 1,500 million 1,040 million
Die size 123 mm² 166 mm²

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 675 MHz 850 MHz
Memory clock 1000 MHz 4 Gbps effective 1200 MHz 4.8 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 76.80 GB/s

Render Configuration

Shading units 640 800
TMUs 40 40
ROPs 16 16
Compute units 10 10
Cache L1 16 KB (per CU) 8 KB (per CU)
Cache L2 256 KB 256 KB

Performance

Pixel rate 10.80 GPixel/s 13.60 GPixel/s
Texture rate 27.00 GTexel/s 34.00 GTexel/s
FP32 (float) performance 864.0 GFLOPS 1,360 GFLOPS
FP64 (double) performance 54.00 GFLOPS (1:16)

Dimensions & Outputs

TDP 40 W unknown
Outputs No outputs 2x DVI1x HDMI1x DisplayPort
Slot width Dual-slot
Suggested PSU 200 W

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

Graphics Card

Release date Oct 13th, 2010
Generation Evergreen
Production End-of-life
Interface PCIe 2.0 x16
Reviews 142 in our database
Predecessor Radeon R700
Successor Northern Islands

Compare

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