Radeon HD 6990 and UHD Graphics 770 - video card comparison
Passmark - benchmark score Radeon HD 6990 vs UHD Graphics 770
Radeon HD 6990
3103
UHD Graphics 770
2844
Radeon HD 6990
UHD Graphics 770
Architecture
TeraScale 3 (2010−2013)
Alder Lake
GPU code name
Antilles
Alder Lake xG
Market segment
Desktop
Desktop
Release date
March 2011
January 2022
Interface
PCIe 2.0 x16
Ring Bus
Supplementary power connectors
2x 8-pin
-
Boost clock speed
-
300 MHz
Core clock speed
830 MHz
-
Floating-point performance
2x 2,549.8 gflops
-
Manufacturing process technology
40 nm
10 nm
Number of transistors
2,640 million
-
Pipelines / CUDA cores
1536
32
Power consumption (TDP)
375 Watt
15 Watt
Texture fill rate
79.68
26.40
Memory type
GDDR5
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
5000 MHz
1550 MHz
Memory bandwidth
160.0 GB/s
-
Shared memory
-
-
Display Connectors
1x DVI, 4x mini-DisplayPort
No outputs
DirectX
11.2 (11_0)
12 (12_1)
OpenCL
1.2
3.0
OpenGL
4.4
4.6
Shader Model
5.0
6.4
Vulkan
N/A
1.3