Radeon HD 4870 and GeForce GT 120 Mac Edition - video card comparison
Radeon HD 4870
GeForce GT 120 Mac Edition
Architecture
TeraScale (2005−2013)
Tesla (2006−2010)
GPU code name
RV770
G96C
Market segment
Desktop
Desktop
Release date
June 2008
January 2009
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
None
Core clock speed
750 MHz
550 MHz
Floating-point performance
1,200.0 gflops
89.6 gflops
Manufacturing process technology
55 nm
55 nm
Number of transistors
956 million
314 million
Pipelines / CUDA cores
800
32
Power consumption (TDP)
150 Watt
50 Watt
Texture fill rate
30.00
8.800
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
512 MB
Memory bus width
256 Bit
128 Bit
Memory clock speed
3600 MHz
1600 MHz
Memory bandwidth
115.2 GB/s
25.6 GB/s
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x mini-DisplayPort
DirectX
10.1 (10_1)
11.1 (10_0)
CUDA
-
1.1
OpenCL
1.1
1.1
OpenGL
3.3
3.3
Shader Model
4.1
4.0
Vulkan
N/A
N/A