Radeon HD 4890 and GeForce 8800 GS Mac Edition - video card comparison
Radeon HD 4890
GeForce 8800 GS Mac Edition
Architecture
TeraScale (2005−2013)
Tesla (2006−2010)
GPU code name
RV790
G92
Market segment
Desktop
Desktop
Release date
April 2009
January 2008
Interface
PCIe 2.0 x16
MXM-HE
Supplementary power connectors
2x 6-pin
None
Core clock speed
850 MHz
500 MHz
Floating-point performance
1,360.0 gflops
160 gflops
Manufacturing process technology
55 nm
65 nm
Number of transistors
959 million
754 million
Pipelines / CUDA cores
800
64
Power consumption (TDP)
190 Watt
105 Watt
Texture fill rate
34.00
16.00
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
512 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
3900 MHz
1598 MHz
Memory bandwidth
124.8 GB/s
51.14 GB/s
Display Connectors
2x DVI, 1x S-Video
No outputs
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