Radeon HD 4650 and GeForce GTX 275 PhysX Edition - video card comparison
Radeon HD 4650
GeForce GTX 275 PhysX Edition
Architecture
TeraScale (2005−2013)
Tesla 2.0 (2007−2013)
GPU code name
RV730
GT200B
Market segment
Desktop
Desktop
Release date
September 2008
February 2010
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
1x 6-pin + 1x 8-pin
Core clock speed
600 MHz
633 MHz
Floating-point performance
384.0 gflops
622.1 gflops
Manufacturing process technology
55 nm
55 nm
Number of transistors
514 million
1,400 million
Pipelines / CUDA cores
320
240
Power consumption (TDP)
48 Watt
219 Watt
Texture fill rate
19.20
50.64
Memory type
GDDR3
GDDR3
Maximum RAM amount
256 MB
896 MB
Memory bus width
128 Bit
448 Bit
Memory clock speed
1400 MHz
2268 MHz
Memory bandwidth
22.4 GB/s
127.0 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI
DirectX
10.1 (10_1)
11.1 (10_0)
CUDA
-
1.3
OpenCL
1.1
1.1
OpenGL
3.3
3.3
Shader Model
4.1
4.0
Vulkan
N/A
N/A