Radeon HD 4200 and Radeon HD 7490M - video card comparison
Radeon HD 4200
Radeon HD 7490M
Architecture
RV6xx (2007−2010)
Terascale 2 (2009−2015)
GPU code name
RV620
Seymour XTX
Market segment
Laptop
Laptop
Release date
September 2009
December 2011
Interface
PCIe 1.0 x16
PCIe 2.0 x16
Core clock speed
500 MHz
800 MHz
Floating-point performance
-
256.0 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
181 million
370 million
Pipelines / CUDA cores
40
160
Power consumption (TDP)
-
9 Watt
Texture fill rate
2.000
6.400
Memory type
System Shared
GDDR5
Maximum RAM amount
512 MB
512 MB
Memory bus width
System Shared
64 Bit
Memory clock speed
System Shared
3800 MHz
Memory bandwidth
-
30.4 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
10.1 (10_1)
11.2 (11_0)
OpenCL
1.0
1.2
OpenGL
3.3
4.4
Shader Model
4.1
5.0
Vulkan
N/A
N/A