
Mobility Radeon HD 4870 and Radeon HD 5670 - video card comparison
Mobility Radeon HD 4870
Radeon HD 5670
Architecture
Terascale 1 (2008−2010)
Terascale 2 (2009−2015)
GPU code name
M98-XT
Redwood
Market segment
Laptop
Desktop
Release date
January 2009
January 2010
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
None
Core clock speed
550 MHz
775 MHz
Floating-point performance
880.0 gflops
620.0 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
956 million
627 million
Pipelines / CUDA cores
800
400
Power consumption (TDP)
-
64 Watt
Texture fill rate
22.00
15.50
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
888 MHz
1000 MHz
Memory bandwidth
56.83 GB/s
64 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
DirectX
10.1 (10_1)
11.2 (11_0)
OpenCL
1.1
1.2
OpenGL
3.3
4.4
Shader Model
4.1
5.0
Vulkan
N/A
N/A