Radeon HD 4750 and GeForce GTX 275 PhysX Edition - video card comparison
Radeon HD 4750
GeForce GTX 275 PhysX Edition
Architecture
TeraScale (2005−2013)
Tesla 2.0 (2007−2013)
GPU code name
RV740
GT200B
Market segment
Desktop
Desktop
Release date
September 2009
February 2010
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin + 1x 8-pin
Core clock speed
730 MHz
633 MHz
Floating-point performance
934.4 gflops
622.1 gflops
Manufacturing process technology
40 nm
55 nm
Number of transistors
826 million
1,400 million
Pipelines / CUDA cores
640
240
Power consumption (TDP)
100 Watt
219 Watt
Texture fill rate
23.36
50.64
Memory type
GDDR5
GDDR3
Maximum RAM amount
512 MB
896 MB
Memory bus width
128 Bit
448 Bit
Memory clock speed
3200 MHz
2268 MHz
Memory bandwidth
51.2 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