Radeon HD 7970M and Radeon HD 5870 - video card comparison
Passmark - benchmark score Radeon HD 7970M vs Radeon HD 5870
Radeon HD 7970M
3635
Radeon HD 5870
2282
Radeon HD 7970M
Radeon HD 5870
Architecture
GCN (2011−2017)
TeraScale 2 (2009−2015)
GPU code name
Wimbledon XT
Cypress
Market segment
Laptop
Desktop
Release date
May 2012
September 2009
Interface
MXM-B (3.0)
PCIe 2.0 x16
Supplementary power connectors
None
2x 6-pin
Core clock speed
850 MHz
850 MHz
Floating-point performance
2,176 gflops
2,720.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
2,800 million
2,154 million
Pipelines / CUDA cores
1280
1600
Power consumption (TDP)
100 Watt
188 Watt
Texture fill rate
68.00
68.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
1 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
4800 MHz
4800 MHz
Memory bandwidth
153.6 GB/s
153.6 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