Radeon HD 4770 and HD Graphics 2500 - video card comparison
Radeon HD 4770
HD Graphics 2500
Architecture
TeraScale (2005−2013)
Gen. 7 Ivy Bridge (2011−2012)
GPU code name
RV740
Ivy Bridge GT1
Market segment
Desktop
Laptop
Release date
April 2009
April 2012
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 6-pin
-
Boost clock speed
-
1150 MHz
Core clock speed
750 MHz
650 MHz
Floating-point performance
960.0 gflops
13.8 gflops
Manufacturing process technology
40 nm
22 nm
Number of transistors
826 million
392 million
Pipelines / CUDA cores
640
6
Power consumption (TDP)
80 Watt
unknown
Texture fill rate
24.00
6.900
Memory type
GDDR5
System Shared
Maximum RAM amount
512 MB
System Shared
Memory bus width
128 Bit
64/128 Bit
Memory clock speed
3200 MHz
System Shared
Memory bandwidth
51.2 GB/s
-
Shared memory
-
+
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
10.1 (10_1)
11.1 (11_0)
OpenCL
1.1
1.2
OpenGL
3.3
4.0
Shader Model
4.1
5.0
Vulkan
N/A
1.1.80