Radeon HD 2900 GT and Radeon 680M - video card comparison
Passmark - benchmark score Radeon HD 2900 GT vs Radeon 680M
Radeon HD 2900 GT
301
Radeon 680M
6351
Radeon HD 2900 GT
Radeon 680M
Architecture
TeraScale (2005−2013)
RDNA 2 (2020−2022)
GPU code name
R600
RDNA 2 Rembrandt
Market segment
Desktop
Laptop
Release date
November 2007
January 2022
Interface
PCIe 1.0 x16
PCIe 4.0 x8
Supplementary power connectors
1x 8-pin
None
Boost clock speed
-
2400 MHz
Core clock speed
601 MHz
-
Floating-point performance
288.48 gflops
-
Manufacturing process technology
80 nm
6 nm
Number of transistors
720 million
13,100 million
Pipelines / CUDA cores
240
768
Power consumption (TDP)
150 Watt
45 Watt
Texture fill rate
7.212
115.2
Memory type
GDDR3
System Shared
Maximum RAM amount
256 MB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
1600 MHz
System Shared
Memory bandwidth
51.2 GB/s
-
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
10.0 (10_0)
12 (12_1)
OpenCL
N/A
2.0
OpenGL
3.3
4.6
Shader Model
4.0
6.5
Vulkan
N/A
1.2