Radeon HD 2900 XT and UHD Graphics 770 - video card comparison
Passmark - benchmark score Radeon HD 2900 XT vs UHD Graphics 770
Radeon HD 2900 XT
679
UHD Graphics 770
2844
Radeon HD 2900 XT
UHD Graphics 770
Architecture
TeraScale (2005−2013)
Alder Lake
GPU code name
R600
Alder Lake xG
Market segment
Desktop
Desktop
Release date
May 2007
January 2022
Interface
PCIe 1.0 x16
Ring Bus
Supplementary power connectors
1x 6-pin + 1x 8-pin
-
Boost clock speed
-
300 MHz
Core clock speed
743 MHz
-
Floating-point performance
475.5 gflops
-
Manufacturing process technology
80 nm
10 nm
Number of transistors
720 million
-
Pipelines / CUDA cores
320
32
Power consumption (TDP)
215 Watt
15 Watt
Texture fill rate
11.89
26.40
Memory type
GDDR3
System Shared
Maximum RAM amount
512 MB
System Shared
Memory bus width
512 Bit
System Shared
Memory clock speed
1656 MHz
1550 MHz
Memory bandwidth
106.0 GB/s
-
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
10.0 (10_0)
12 (12_1)
OpenCL
N/A
3.0
OpenGL
3.3
4.6
Shader Model
4.0
6.4
Vulkan
N/A
1.3