Radeon HD 5850 and Radeon HD 6450 GDDR5 - video card comparison
Radeon HD 5850
Radeon HD 6450 GDDR5
Architecture
Terascale 2 (2009−2015)
Terascale 2 (2009−2015)
GPU code name
Cypress
Caicos
Market segment
Desktop
Desktop
Release date
September 2009
April 2011
Interface
PCIe 2.0 x16
-
Supplementary power connectors
2x 6-pin
-
Core clock speed
725 MHz
750 MHz
Floating-point performance
2,088.0 gflops
-
Manufacturing process technology
40 nm
40 nm
Number of transistors
2,154 million
-
Pipelines / CUDA cores
1440
160
Power consumption (TDP)
151 Watt
27 Watt
Texture fill rate
52.20
-
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
2000 MHz
900 MHz
Memory bandwidth
128.0 GB/s
-
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
-
HDMI
+
-
DirectX
11.2 (11_0)
11
OpenCL
1.2
-
OpenGL
4.4
-
Shader Model
5.0
-
Vulkan
N/A
-