Radeon HD 4870 X2 and GeForce GTX 470 PhysX Edition - video card comparison
Radeon HD 4870 X2
GeForce GTX 470 PhysX Edition
Architecture
TeraScale (2005−2013)
Fermi (2010−2014)
GPU code name
R700
GF100
Market segment
Desktop
Desktop
Release date
August 2008
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
1x 6-pin + 1x 8-pin
Core clock speed
700 MHz
608 MHz
Floating-point performance
2x 1,120.0 gflops
-
Manufacturing process technology
55 nm
40 nm
Number of transistors
956 million
3,100 million
Pipelines / CUDA cores
800
448
Power consumption (TDP)
286 Watt
215 Watt
Texture fill rate
28.00
34.05
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
1280 MB
Memory bus width
256 Bit
320 Bit
Memory clock speed
3600 MHz
3.3 GB/s
Memory bandwidth
115.2 GB/s
133.9 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x mini-HDMI 1.3a
HDMI
-
+
DirectX
10.1 (10_1)
12 (11_0)
CUDA
-
2.0
OpenCL
1.1
1.1
OpenGL
3.3
4.6
Shader Model
4.1
5.1
Vulkan
N/A
N/A