Radeon HD 4850 and GeForce 6800 Ultra - video card comparison
Passmark - benchmark score Radeon HD 4850 vs GeForce 6800 Ultra
Radeon HD 4850
1057
GeForce 6800 Ultra
142
Radeon HD 4850
GeForce 6800 Ultra
Architecture
Terascale 1 (2008−2010)
Curie (2003−2013)
GPU code name
RV770
NV45
Market segment
Desktop
Desktop
Release date
June 2008
July 2004
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin
Core clock speed
625 MHz
425 MHz
Floating-point performance
1,000.0 gflops
-
Manufacturing process technology
55 nm
130 nm
Number of transistors
956 million
222 million
Pipelines / CUDA cores
800
-
Power consumption (TDP)
110 Watt
81 Watt
Texture fill rate
25.00
6.800
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
256 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
993 MHz
1100 MHz
Memory bandwidth
63.55 GB/s
35.2 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x S-Video
DirectX
10.1 (10_1)
9.0c (9_3)
OpenCL
1.1
N/A
OpenGL
3.3
2.1
Shader Model
4.1
3.0
Vulkan
N/A
N/A