Radeon HD 6990 and Radeon HD 8570M - video card comparison
Passmark - benchmark score Radeon HD 6990 vs Radeon HD 8570M
Radeon HD 6990
3103
Radeon HD 8570M
454
Radeon HD 6990
Radeon HD 8570M
Architecture
TeraScale 3 (2010−2013)
GCN (2011−2017)
GPU code name
Antilles
Sun
Market segment
Desktop
Laptop
Release date
March 2011
November 2012
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
2x 8-pin
-
Boost clock speed
-
825 MHz
Core clock speed
830 MHz
650 MHz
Floating-point performance
2x 2,549.8 gflops
528.0 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
2,640 million
690 million
Pipelines / CUDA cores
1536
384
Power consumption (TDP)
375 Watt
-
Texture fill rate
79.68
16.50
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
1 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
5000 MHz
1800 - 2000 MHz
Memory bandwidth
160.0 GB/s
16 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 4x mini-DisplayPort
No outputs
DirectX
11.2 (11_0)
12 (11_1)
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
N/A
1.2.131