Radeon HD 8870M and Radeon HD 5770 - video card comparison
Passmark - benchmark score Radeon HD 8870M vs Radeon HD 5770
Radeon HD 8870M
1687
Radeon HD 5770
1756
Radeon HD 8870M
Radeon HD 5770
Architecture
GCN (2011−2017)
Terascale 2 (2009−2015)
GPU code name
Venus
Juniper
Market segment
Laptop
Desktop
Release date
December 2012
October 2009
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
1x 6-pin
Boost clock speed
775 MHz
-
Core clock speed
725 MHz
850 MHz
Floating-point performance
992.0 gflops
1,360.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,500 million
1,040 million
Pipelines / CUDA cores
640
800
Power consumption (TDP)
-
108 Watt
Texture fill rate
31.00
34.00
Memory type
GDDR5, DDR3
GDDR5
Maximum RAM amount
2 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
4500 MHz
4800 MHz
Memory bandwidth
72 GB/s
76.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
2x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
12 (11_1)
11.2 (11_0)
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
Vulkan
1.2.131
N/A