Logo

Radeon HD 7650M and Radeon X1900 XT - video card comparison


Radeon HD 7650M

Radeon X1900 XT


Architecture
Terascale 2 (2009−2015)
R500 (2005−2007)

GPU code name
Thames-LP/Pro
R580

Market segment
Laptop
Desktop

Release date
January 2012
January 2006

Interface
PCIe 2.0 x16
PCIe 1.0 x16

Supplementary power connectors
-
1x 6-pin

Boost clock speed
550 MHz
-

Core clock speed
450 MHz
625 MHz

Floating-point performance
432.0 gflops
-

Manufacturing process technology
40 nm
90 nm

Number of transistors
716 million
384 million

Pipelines / CUDA cores
480
-

Power consumption (TDP)
20 Watt
100 Watt

Texture fill rate
10.80
10.00

Memory type
DDR3
GDDR3

Maximum RAM amount
1 GB
256 MB

Memory bus width
128 Bit
256 Bit

Memory clock speed
1800 MHz
1450 MBps

Memory bandwidth
25.6 GB/s
46.4 GB/s

Shared memory
-
-

Display Connectors
No outputs
2x DVI, 1x S-Video

DirectX
11.2 (11_0)
9.0c (9_3)

OpenCL
1.2
N/A

OpenGL
4.4
2.1 (full) Shader Model5.03.0

Vulkan
N/A
N/A