Radeon HD 4850 and Mobility Radeon HD 2600 XT - video card comparison
Radeon HD 4850
Mobility Radeon HD 2600 XT
Architecture
Terascale 1 (2008−2010)
RV6xx (2007−2010)
GPU code name
RV770
M76-XT
Market segment
Desktop
Laptop
Release date
June 2008
May 2007
Interface
PCIe 2.0 x16
MXM-II
Supplementary power connectors
1x 6-pin
-
Core clock speed
625 MHz
700 MHz
Floating-point performance
1,000.0 gflops
163.2 gflops
Manufacturing process technology
55 nm
65 nm
Number of transistors
956 million
390 million
Pipelines / CUDA cores
800
120
Power consumption (TDP)
110 Watt
-
Texture fill rate
25.00
5.440
Memory type
GDDR3
DDR2, GDDR3
Maximum RAM amount
512 MB
256+ MB
Memory bus width
256 Bit
128 Bit
Memory clock speed
993 MHz
750 MHz
Memory bandwidth
63.55 GB/s
24 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
10.1 (10_1)
10.0 (10_0)
OpenCL
1.1
N/A
OpenGL
3.3
3.3
Shader Model
4.1
4.0
Vulkan
N/A
N/A