AMD Radeon HD 6630M Mac Edition vs NVIDIA GeForce GT 630 Rev. 2

Table of Contents

Graphics Processor

GPU model Whistler GK208
GPU variant Whistler LP GK208-301-A1
Architecture TeraScale 2 Kepler 2.0
Foundry TSMC TSMC
Manufacturing process 40 nm 28 nm
Number of transistors 716 million 1,020 million
Die size 104 mm² 87 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 902 MHz
Memory clock 600 MHz 2.4 Gbps effective 900 MHz 1800 Mbps effective

Memory Configuration

Memory size 256 MB 2 GB
Memory type GDDR5 DDR3
Memory bus width 64 bit 64 bit
Bandwidth 19.20 GB/s 14.40 GB/s

Render Configuration

Shading units 480 384
TMUs 24 32
ROPs 8 8
Compute units 6
SMX count 2
Cache L1 16 KB (per SMX)
Cache L2 512 KB

Performance

Pixel rate 4.000 GPixel/s 7.216 GPixel/s
Texture rate 12.00 GTexel/s 28.86 GTexel/s
FP32 (float) performance 480.0 GFLOPS 692.7 GFLOPS
FP64 (double) performance 28.86 GFLOPS (1:24)

Dimensions & Outputs

TDP 26 W 25 W
Outputs No outputs 1x DVI1x HDMI1x VGA
Slot width Single-slot
Length 145 mm 5.7 inches
Suggested PSU 200 W
Power connectors None
Board number P2132

API Support & Features

DirectX 11.2 (11_0) 12 (11_0)
OpenGL 4.4 4.6
OpenCL 1.2 3.0
Vulkan 1.1
Shader model 5.0 5.1
CUDA 3.5

Other Features

Graphics Card

Release date May 29th, 2013
Generation GeForce 600
Production End-of-life
Interface PCIe 2.0 x8
Predecessor GeForce 500
Successor GeForce 700

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