GeForce 9800 GT and GeForce GT 755M Mac Edition - video card comparison
GeForce 9800 GT
GeForce GT 755M Mac Edition
Architecture
Tesla (2006−2010)
Kepler (2012−2018)
GPU code name
G92
GK107
Market segment
Desktop
Desktop
Release date
July 2008
November 2013
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 6-pin
-
SLI options
+
-
Core clock speed
600 MHz
1085 MHz
CUDA cores
112
-
Floating-point performance
336.0 gflops
833.3 gflops
Manufacturing process technology
65 nm
28 nm
Number of transistors
754 million
1,270 million
Pipelines / CUDA cores
112
384
Power consumption (TDP)
105 Watt
50 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
33.6 billion/sec
34.72
Memory type
GDDR3
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
900 MHz
5000 MHz
Memory bandwidth
57.6 GB/s
80 GB/s
Display Connectors
HDTVDual Link DVI
No outputs
Multi monitor support
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
S/PDIF
-
DirectX
11.1 (10_0)
12 (11_0)
CUDA
+
3.0
OpenCL
1.1
1.2
OpenGL
2.1
4.6
Shader Model
4.0
5.1
Vulkan
N/A
1.1.126