AMD Radeon HD 6950 vs ATI Radeon 3100 Mobile IGP

Table of Contents

Graphics Processor

GPU model Cayman RS780
GPU variant Cayman PRO (215-0807019) RS780M
Architecture TeraScale 3 TeraScale
Foundry TSMC
Manufacturing process 40 nm 65 nm
Number of transistors 2,640 million 180 million
Die size 389 mm² 85 mm²

Graphics Card

Release date Dec 14th, 2010
Generation Northern Islands
Production End-of-life
Launch price 299 USD
Interface PCIe 2.0 x16
Reviews 111 in our database
Predecessor Evergreen
Successor Southern Islands

Clocks

GPU clock 800 MHz 350 MHz
Memory clock 1250 MHz 5 Gbps effective System Shared

Memory Configuration

Memory size 2 GB System Shared
Memory type GDDR5 System Shared
Memory bus width 256 bit System Shared
Bandwidth 160.0 GB/s System Dependent

Render Configuration

Shading units 1408 40
TMUs 88 4
ROPs 32 4
Compute units 22 2
Cache L1 8 KB (per CU)
Cache L2 512 KB

Performance

Pixel rate 25.60 GPixel/s 1.400 GPixel/s
Texture rate 70.40 GTexel/s 1.400 GTexel/s
FP32 (float) performance 2.253 TFLOPS 28.00 GFLOPS
FP64 (double) performance 563.2 GFLOPS (1:4)

Dimensions & Outputs

Slot width Dual-slot IGP
Length 286 mm 11.3 inches
Width 126 mm 5 inches
Height 42 mm 1.7 inches
TDP 200 W unknown
Suggested PSU 550 W
Outputs 2x DVI1x HDMI2x mini-DisplayPort No outputs
Power connectors 2x 6-pin None
Board number C216-47

API Support & Features

DirectX 11.2 (11_0) 10.0 (10_0)
OpenGL 4.4 3.3
OpenCL 1.2 1.0
Vulkan
Shader model 5.0 4.1

Other Features

Integrated Graphics

Release date Aug 15th, 2008
Generation Radeon IGP (Mobility HD 3000)
Production End-of-life
Interface PCIe 1.0 x16

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