
Radeon HD 5870 and GeForce GT 635M - video card comparison
Passmark - benchmark score Radeon HD 5870 vs GeForce GT 635M
Radeon HD 5870
2282
GeForce GT 635M
578
Radeon HD 5870
GeForce GT 635M
Architecture
TeraScale 2 (2009−2015)
Fermi (2010−2014)
GPU code name
Cypress
N13E-GE2
Market segment
Desktop
Laptop
Release date
September 2009
December 2011
Bus support
-
PCI Express 2.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
-
Boost clock speed
-
753 MHz
Core clock speed
850 MHz
Up to 675 MHz
CUDA cores
-
Up to 144
Floating-point performance
2,720.0 gflops
253.4 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
2,154 million
1,170 million
Pipelines / CUDA cores
1600
144
Power consumption (TDP)
188 Watt
35 Watt
Texture fill rate
68.00
Up to 16.2 billion/sec
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
2 GB
Memory bus width
256 Bit
Up to 192bit
Memory clock speed
4800 MHz
1800 MHz
Memory bandwidth
153.6 GB/s
Up to 43.2 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
11.2 (11_0)
12 API
CUDA
-
+
OpenCL
1.2
1.1
OpenGL
4.4
4.5
Shader Model
5.0
5.1
Vulkan
N/A
N/A
3D Blu-Ray
-
+
Optimus
-
+