GeForce GTX 260 and Radeon HD 6630M Mac Edition - video card comparison
GeForce GTX 260
Radeon HD 6630M Mac Edition
Architecture
Tesla 2.0 (2007−2013)
TeraScale 2 (2009−2015)
GPU code name
GT200
Whistler
Market segment
Desktop
Desktop
Release date
June 2008
January 2011
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
-
SLI options
+
-
Core clock speed
576 MHz
500 MHz
CUDA cores
192
-
Floating-point performance
476.9 gflops
480.0 gflops
Manufacturing process technology
65 nm
40 nm
Number of transistors
1,400 million
716 million
Pipelines / CUDA cores
192
480
Power consumption (TDP)
182 Watt
26 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
36.9 billion/sec
12.00
Memory type
GDDR3
GDDR5
Maximum RAM amount
896 MB
256 MB
Memory bus width
448 Bit
64 Bit
Memory clock speed
999 MHz
2400 MHz
Memory bandwidth
111.9 GB/s
19.2 GB/s
Display Connectors
Dual Link DVIHDTV
No outputs
Multi monitor support
+
-
HDMI
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
S/PDIF
-
DirectX
11.1 (10_0)
11.2 (11_0)
CUDA
+
-
OpenCL
1.1
1.2
OpenGL
2.1
4.4
Shader Model
4.0
5.0
Vulkan
N/A
N/A