Radeon HD 6970M Crossfire and HD Graphics 4000 - video card comparison
Radeon HD 6970M Crossfire
HD Graphics 4000
Architecture
Terascale 2 (2009−2015)
Gen. 7 Ivy Bridge (2011−2012)
GPU code name
Blackcomb XT
Ivy Bridge
Market segment
Laptop
Laptop
Release date
January 2011
March 2011
Interface
-
PCIe 1.0 x16
Boost clock speed
-
1350 MHz
Core clock speed
680 MHz
350 MHz
Floating-point performance
-
33.6 gflops
Manufacturing process technology
40 nm
22 nm
Number of transistors
2x1700 Million
1,200 million
Pipelines / CUDA cores
1920
16
Power consumption (TDP)
-
unknown
Texture fill rate
-
20.80
Memory type
GDDR5
System Shared
Maximum RAM amount
2x2 GB
System Shared
Memory bus width
256 Bit
64/128 Bit
Memory clock speed
900 MHz
System Shared
Shared memory
-
+
Display Connectors
-
No outputs
DirectX
11
11.1 (11_0)
OpenCL
-
1.2
OpenGL
-
4.0
Shader Model
-
5.0
Vulkan
-
1.1.80
Quick Sync
-
+