Mobility Radeon HD 4870 and Radeon HD 8950M - video card comparison
Mobility Radeon HD 4870
Radeon HD 8950M
Architecture
Terascale 1 (2008−2010)
GCN 2.0 (2013−2017)
GPU code name
M98-XT
Saturn
Market segment
Laptop
Desktop
Release date
January 2009
May 2013
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Core clock speed
550 MHz
1075 MHz
Floating-point performance
880.0 gflops
1,651 gflops
Manufacturing process technology
55 nm
28 nm
Number of transistors
956 million
2,080 million
Pipelines / CUDA cores
800
768
Power consumption (TDP)
-
100 Watt
Texture fill rate
22.00
51.60
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
888 MHz
5500 MHz
Memory bandwidth
56.83 GB/s
88 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
10.1 (10_1)
12 (12_0)
OpenCL
1.1
2.0
OpenGL
3.3
4.6
Shader Model
4.1
6.3
Vulkan
N/A
1.2.131