Radeon HD 3850 X2 and GeForce 8800 GT - video card comparison
Passmark - benchmark score Radeon HD 3850 X2 vs GeForce 8800 GT
Radeon HD 3850 X2
847
GeForce 8800 GT
495
Radeon HD 3850 X2
GeForce 8800 GT
Architecture
TeraScale (2005−2013)
Tesla (2006−2010)
GPU code name
RV670
G92
Market segment
Desktop
Desktop
Release date
April 2008
October 2007
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
669 MHz
600 MHz
CUDA cores
-
112
Floating-point performance
2x 428.2 gflops
336.0 gflops
Manufacturing process technology
55 nm
65 nm
Number of transistors
666 million
754 million
Pipelines / CUDA cores
320
112
Power consumption (TDP)
140 Watt
105 Watt
Maximum GPU temperature
-
105 °C
Texture fill rate
10.70
33.6 billion/sec
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
512 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1656 MHz
900 MHz
Memory bandwidth
52.99 GB/s
57.6 GB/s
Display Connectors
2x DVI, 1x S-Video
Dual Link DVIHDTV
Multi monitor support
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
S/PDIF
DirectX
10.1 (10_1)
11.1 (10_0)
CUDA
-
+
OpenCL
N/A
1.1
OpenGL
3.3
2.1
Shader Model
4.1
4.0
Vulkan
N/A
N/A
High Dynamic-Range Lighting (HDRR)
-
128bit