Radeon HD 5870 and Radeon HD 6450 - video card comparison
Passmark - benchmark score Radeon HD 5870 vs Radeon HD 6450
Radeon HD 5870
2282
Radeon HD 6450
203
Radeon HD 5870
Radeon HD 6450
Architecture
TeraScale 2 (2009−2015)
TeraScale 2 (2009−2015)
GPU code name
Cypress
Caicos
Market segment
Desktop
Desktop
Release date
September 2009
April 2011
Bus support
-
PCIe 2.0 x8
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
None
Boost clock speed
-
750 MHz
Core clock speed
850 MHz
-
Floating-point performance
2,720.0 gflops
200.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
2,154 million
370 million
Pipelines / CUDA cores
1600
160
Power consumption (TDP)
188 Watt
30 Watt
Texture fill rate
68.00
5.000
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
4800 MHz
800 MHz
Memory bandwidth
153.6 GB/s
25.6 GB/s
Memory bandwidth
-
8.5-12.8 GB/x (DDR3) or 25.6-28.8 GB/s (GDDR5)
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x VGA
Eyefinity
-
1
Number of Eyefinity displays
-
4
HDMI
+
+
DisplayPort support
-
+
DirectX
11.2 (11_0)
DirectX® 11
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.4
4.4
Shader Model
5.0
5.0
Vulkan
N/A
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-