Radeon HD 4850 and Radeon HD 4850 X2 - video card comparison
Passmark - benchmark score Radeon HD 4850 vs Radeon HD 4850 X2
Radeon HD 4850
1057
Radeon HD 4850 X2
1166
Radeon HD 4850
Radeon HD 4850 X2
Architecture
Terascale 1 (2008−2010)
TeraScale (2005−2013)
GPU code name
RV770
R700
Market segment
Desktop
Desktop
Release date
June 2008
November 2008
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin + 1x 8-pin
Core clock speed
625 MHz
625 MHz
Floating-point performance
1,000.0 gflops
2x 1,000.0 gflops
Manufacturing process technology
55 nm
55 nm
Number of transistors
956 million
956 million
Pipelines / CUDA cores
800
800
Power consumption (TDP)
110 Watt
250 Watt
Texture fill rate
25.00
25.00
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
512 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
993 MHz
1990 MHz
Memory bandwidth
63.55 GB/s
63.68 GB/s
Display Connectors
2x DVI, 1x S-Video
4x DVI, 1x S-Video
DirectX
10.1 (10_1)
10.1 (10_1)
OpenCL
1.1
1.1
OpenGL
3.3
3.3
Shader Model
4.1
4.1
Vulkan
N/A
N/A