Radeon HD 8670D and Radeon HD 2900 XT - video card comparison
Passmark - benchmark score Radeon HD 8670D vs Radeon HD 2900 XT
Radeon HD 8670D
545
Radeon HD 2900 XT
679
Radeon HD 8670D
Radeon HD 2900 XT
Architecture
Terascale 3 (2010−2013)
TeraScale (2005−2013)
GPU code name
Richland
R600
Market segment
Desktop
Desktop
Release date
June 2013
May 2007
Interface
IGP
PCIe 1.0 x16
Supplementary power connectors
-
1x 6-pin + 1x 8-pin
Boost clock speed
950 MHz
-
Core clock speed
844 MHz
743 MHz
Floating-point performance
-
475.5 gflops
Manufacturing process technology
32 nm
80 nm
Number of transistors
1,303 million
720 million
Pipelines / CUDA cores
384
320
Power consumption (TDP)
100 Watt
215 Watt
Texture fill rate
22.80
11.89
Memory type
System Shared
GDDR3
Maximum RAM amount
System Shared
512 MB
Memory bus width
System Shared
512 Bit
Memory clock speed
System Shared
1656 MHz
Memory bandwidth
-
106.0 GB/s
Shared memory
+
-
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
11.2 (11_0)
10.0 (10_0)
OpenCL
1.2
N/A
OpenGL
4.4
3.3
Shader Model
5.0
4.0
Vulkan
N/A
N/A