Radeon HD 7870M and Radeon HD 5830 - video card comparison
Passmark - benchmark score Radeon HD 7870M vs Radeon HD 5830
Radeon HD 7870M
1552
Radeon HD 5830
1785
Radeon HD 7870M
Radeon HD 5830
Architecture
GCN (2011−2017)
TeraScale 2 (2009−2015)
GPU code name
Heathrow XT
Cypress
Market segment
Laptop
Desktop
Release date
April 2012
February 2010
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
2x 6-pin
Core clock speed
800 MHz
800 MHz
Floating-point performance
1,024 gflops
1,792.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,500 million
2,154 million
Pipelines / CUDA cores
640
1120
Power consumption (TDP)
45 Watt
175 Watt
Texture fill rate
32.00
44.80
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
1 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
4000 MHz
4000 MHz
Memory bandwidth
64 GB/s
128.0 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