Radeon HD 4870 and GeForce 9800 GT Rebrand - video card comparison
Radeon HD 4870
GeForce 9800 GT Rebrand
Architecture
TeraScale (2005−2013)
Tesla (2006−2010)
GPU code name
RV770
G92
Market segment
Desktop
Desktop
Release date
June 2008
July 2008
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
1x 6-pin
Core clock speed
750 MHz
725 MHz
Floating-point performance
1,200.0 gflops
448.0 gflops
Manufacturing process technology
55 nm
65 nm
Number of transistors
956 million
754 million
Pipelines / CUDA cores
800
128
Power consumption (TDP)
150 Watt
125 Watt
Texture fill rate
30.00
46.40
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
512 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
3600 MHz
2000 MHz
Memory bandwidth
115.2 GB/s
64 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x S-Video
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