GeForce GTX 1080 11Gbps and Radeon HD 6630M Mac Edition - video card comparison
GeForce GTX 1080 11Gbps
Radeon HD 6630M Mac Edition
Architecture
Pascal (2016−2021)
TeraScale 2 (2009−2015)
GPU code name
GP104
Whistler
Market segment
Desktop
Desktop
Release date
April 2017
January 2011
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 8-pin
-
Boost clock speed
1733 MHz
-
Core clock speed
1607 MHz
500 MHz
Floating-point performance
8,873 gflops
480.0 gflops
Manufacturing process technology
16 nm
40 nm
Number of transistors
7,200 million
716 million
Pipelines / CUDA cores
2560
480
Power consumption (TDP)
180 Watt
26 Watt
Texture fill rate
277.3
12.00
Memory type
GDDR5X
GDDR5
Maximum RAM amount
8 GB
256 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
11008 MHz
2400 MHz
Memory bandwidth
352.3 GB/s
19.2 GB/s
Display Connectors
1x DVI, 1x HDMI, 3x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (12_1)
11.2 (11_0)
CUDA
6.1
-
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
6.4
5.0
Vulkan
1.2.131
N/A