GeForce 8800 Ultra and GeForce GT 555M - video card comparison
Passmark - benchmark score GeForce 8800 Ultra vs GeForce GT 555M
GeForce 8800 Ultra
661
GeForce GT 555M
674
GeForce 8800 Ultra
GeForce GT 555M
Architecture
Tesla (2006−2010)
Fermi (2010−2014)
GPU code name
G80
N12E-GE-B
Market segment
Desktop
Laptop
Release date
May 2007
January 2011
Bus support
-
PCI Express 2.0
Interface
PCIe 1.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
-
SLI options
+
+
Boost clock speed
-
753 MHz
Core clock speed
612 MHz
Up to 753 MHz
CUDA cores
612
Up to 144
Floating-point performance
387.1 gflops
388.8 gflops
Manufacturing process technology
90 nm
40 nm
Number of transistors
681 million
1,170 million
Pipelines / CUDA cores
128
144
Power consumption (TDP)
171 Watt
35 Watt
Texture fill rate
39.2 billion/sec
Up to 16.2 billion/sec
Memory type
GDDR3
DDR3\DDR5
Maximum RAM amount
512 MB
3 GB
Memory bus width
384 Bit
Up to 192 bit/128 Bit
Memory clock speed
1080 MHz
Up to 1569 MHz
Memory bandwidth
103.7 GB/s
Up to 50.2 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
11.1 (10_0)
12 API
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
3.3
4.5
Shader Model
4.0
5.1
Vulkan
N/A
N/A
3D Blu-Ray
-
+
3D Gaming
-
+
Optimus
-
+