AMD Radeon HD 6630M Mac Edition vs NVIDIA GeForce GT 630

Table of Contents

Graphics Processor

GPU model Whistler GF108
GPU variant Whistler LP GF108-400-A1
Architecture TeraScale 2 Fermi
Foundry TSMC TSMC
Manufacturing process 40 nm 40 nm
Number of transistors 716 million 585 million
Die size 104 mm² 116 mm²

Mobile graphics

Release date Jan 4th, 2011
Generation Vancouver (HD 6600M)
Production End-of-life
Interface PCIe 2.0 x16
Predecessor Manhattan
Successor London

Clocks

GPU clock 500 MHz 810 MHz
Memory clock 600 MHz 2.4 Gbps effective 900 MHz 1800 Mbps effective
Shader clock 1620 MHz

Memory Configuration

Memory size 256 MB 1024 MB
Memory type GDDR5 DDR3
Memory bus width 64 bit 128 bit
Bandwidth 19.20 GB/s 28.80 GB/s

Render Configuration

Shading units 480 96
TMUs 24 16
ROPs 8 4
Compute units 6
SM count 2
Cache L1 64 KB (per SM)
Cache L2 256 KB

Performance

Pixel rate 4.000 GPixel/s 3.240 GPixel/s
Texture rate 12.00 GTexel/s 12.96 GTexel/s
FP32 (float) performance 480.0 GFLOPS 311.0 GFLOPS
FP64 (double) performance 25.92 GFLOPS (1:12)

Dimensions & Outputs

TDP 26 W 65 W
Outputs No outputs 1x DVI1x HDMI1x VGA
Slot width Single-slot
Length 145 mm 5.7 inches
Suggested PSU 250 W
Power connectors None
Board number P1071

API Support & Features

DirectX 11.2 (11_0) 12 (11_0)
OpenGL 4.4 4.6
OpenCL 1.2 1.1
Vulkan
Shader model 5.0 5.1
CUDA 2.1

Other Features

Graphics Card

Release date May 15th, 2012
Generation GeForce 600
Production End-of-life
Interface PCIe 2.0 x16
Predecessor GeForce 500
Successor GeForce 700

Compare

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