Radeon HD 5770 and Radeon HD 6450 GDDR5 - video card comparison
Radeon HD 5770
Radeon HD 6450 GDDR5
Architecture
Terascale 2 (2009−2015)
Terascale 2 (2009−2015)
GPU code name
Juniper
Caicos
Market segment
Desktop
Desktop
Release date
October 2009
April 2011
Interface
PCIe 2.0 x16
-
Supplementary power connectors
1x 6-pin
-
Core clock speed
850 MHz
750 MHz
Floating-point performance
1,360.0 gflops
-
Manufacturing process technology
40 nm
40 nm
Number of transistors
1,040 million
-
Pipelines / CUDA cores
800
160
Power consumption (TDP)
108 Watt
27 Watt
Texture fill rate
34.00
-
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
4800 MHz
900 MHz
Memory bandwidth
76.8 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
-