
Radeon HD 3850 and Xbox 360 GPU - video card comparison
Radeon HD 3850
Xbox 360 GPU
Architecture
TeraScale (2005−2013)
TeraScale (2005−2013)
GPU code name
RV670
Xenos
Market segment
Desktop
Desktop
Release date
November 2007
November 2005
Interface
PCIe 2.0 x16
IGP
Supplementary power connectors
1x 6-pin
-
Core clock speed
668 MHz
500 MHz
Floating-point performance
427.5 gflops
240 gflops
Manufacturing process technology
55 nm
90 nm
Number of transistors
666 million
232 million
Pipelines / CUDA cores
320
240
Power consumption (TDP)
75 Watt
-
Texture fill rate
10.69
8.000
Memory type
GDDR3
GDDR3
Maximum RAM amount
1 GB
512 MB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1660 MHz
1400 MHz
Memory bandwidth
53.12 GB/s
22.4 GB/s
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
10.1 (10_1)
9.0c (9_3)
OpenCL
N/A
-
OpenGL
3.3
N/A
Shader Model
4.1
-
Vulkan
N/A
-