
Radeon HD 4870 and GeForce GT 220 OEM - video card comparison
Radeon HD 4870
GeForce GT 220 OEM
Architecture
TeraScale (2005−2013)
Tesla 2.0 (2007−2013)
GPU code name
RV770
GT215
Market segment
Desktop
Desktop
Release date
June 2008
October 2009
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
-
Core clock speed
750 MHz
506 MHz
Floating-point performance
1,200.0 gflops
97.15 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
956 million
727 million
Pipelines / CUDA cores
800
48
Power consumption (TDP)
150 Watt
58 Watt
Texture fill rate
30.00
8.096
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
512 MB
Memory bus width
256 Bit
128 Bit
Memory clock speed
3600 MHz
1400 MHz
Memory bandwidth
115.2 GB/s
22.4 GB/s
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
DirectX
10.1 (10_1)
11.1 (10_1)
CUDA
-
1.2
OpenCL
1.1
1.1
OpenGL
3.3
3.3
Shader Model
4.1
4.1
Vulkan
N/A
N/A