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

Table of Contents

Graphics Processor

GPU model Whistler GK107
GPU variant Whistler LP GK107-301-A2
Architecture TeraScale 2 Kepler
Foundry TSMC TSMC
Manufacturing process 40 nm 28 nm
Number of transistors 716 million 1,270 million
Die size 104 mm² 118 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 875 MHz
Memory clock 600 MHz 2.4 Gbps effective 891 MHz 1782 Mbps effective

Memory Configuration

Memory size 256 MB 1024 MB
Memory type GDDR5 DDR3
Memory bus width 64 bit 128 bit
Bandwidth 19.20 GB/s 28.51 GB/s

Render Configuration

Shading units 480 192
TMUs 24 16
ROPs 8 16
Compute units 6
SMX count 1
Cache L1 16 KB (per SMX)
Cache L2 256 KB

Performance

Pixel rate 4.000 GPixel/s 3.500 GPixel/s
Texture rate 12.00 GTexel/s 14.00 GTexel/s
FP32 (float) performance 480.0 GFLOPS 336.0 GFLOPS
FP64 (double) performance 14.00 GFLOPS (1:24)

Dimensions & Outputs

TDP 26 W 50 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 P2011

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 3.0

Other Features

Graphics Card

Release date Apr 24th, 2012
Generation GeForce 600
Production End-of-life
Interface PCIe 3.0 x16
Predecessor GeForce 500
Successor GeForce 700

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