Radeon HD 8670M and Radeon HD 2900 XT - video card comparison
Passmark - benchmark score Radeon HD 8670M vs Radeon HD 2900 XT
Radeon HD 8670M
536
Radeon HD 2900 XT
679
Radeon HD 8670M
Radeon HD 2900 XT
Architecture
GCN (2011−2017)
TeraScale (2005−2013)
GPU code name
Sun
R600
Market segment
Laptop
Desktop
Release date
November 2012
May 2007
Interface
PCIe 3.0 x8
PCIe 1.0 x16
Supplementary power connectors
-
1x 6-pin + 1x 8-pin
Boost clock speed
825 MHz
-
Core clock speed
775 MHz
743 MHz
Floating-point performance
633.6 gflops
475.5 gflops
Manufacturing process technology
28 nm
80 nm
Number of transistors
690 million
720 million
Pipelines / CUDA cores
384
320
Power consumption (TDP)
-
215 Watt
Texture fill rate
19.50
11.89
Memory type
DDR3
GDDR3
Maximum RAM amount
2 GB
512 MB
Memory bus width
64 Bit
512 Bit
Memory clock speed
2000 MHz
1656 MHz
Memory bandwidth
16 GB/s
106.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
12 (11_1)
10.0 (10_0)
OpenCL
1.2
N/A
OpenGL
4.6
3.3
Shader Model
5.1
4.0
Vulkan
1.2.131
N/A