GeForce 8800 GT and Mobility Radeon HD 3870 - video card comparison
GeForce 8800 GT
Mobility Radeon HD 3870
Architecture
Tesla (2006−2010)
RV6xx (2007−2010)
GPU code name
G92
M88-XT
Market segment
Desktop
Laptop
Release date
October 2007
March 2008
Bus support
PCI-E 2.0
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
6-pin & 8-pin
-
SLI options
2-way
-
Core clock speed
600 MHz
660 MHz
CUDA cores
112
-
Floating-point performance
336.0 gflops
422.4 gflops
Manufacturing process technology
65 nm
55 nm
Number of transistors
754 million
666 million
Pipelines / CUDA cores
112
320
Power consumption (TDP)
105 Watt
55 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
33.6 billion/sec
10.56
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
512 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
900 MHz
850 MHz
Memory bandwidth
57.6 GB/s
54.4 GB/s
Shared memory
-
-
Display Connectors
Dual Link DVIHDTV
No outputs
Multi monitor support
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
S/PDIF
-
DirectX
11.1 (10_0)
10.1 (10_1)
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
2.1
3.3
Shader Model
4.0
4.1
Vulkan
N/A
N/A
High Dynamic-Range Lighting (HDRR)
128bit
-