Radeon HD 2900 XT and Radeon 680M - video card comparison
Passmark - benchmark score Radeon HD 2900 XT vs Radeon 680M
Radeon HD 2900 XT
679
Radeon 680M
6351
Radeon HD 2900 XT
Radeon 680M
Architecture
TeraScale (2005−2013)
RDNA 2 (2020−2022)
GPU code name
R600
RDNA 2 Rembrandt
Market segment
Desktop
Laptop
Release date
May 2007
January 2022
Interface
PCIe 1.0 x16
PCIe 4.0 x8
Supplementary power connectors
1x 6-pin + 1x 8-pin
None
Boost clock speed
-
2400 MHz
Core clock speed
743 MHz
-
Floating-point performance
475.5 gflops
-
Manufacturing process technology
80 nm
6 nm
Number of transistors
720 million
13,100 million
Pipelines / CUDA cores
320
768
Power consumption (TDP)
215 Watt
45 Watt
Texture fill rate
11.89
115.2
Memory type
GDDR3
System Shared
Maximum RAM amount
512 MB
System Shared
Memory bus width
512 Bit
System Shared
Memory clock speed
1656 MHz
System Shared
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
2.0
OpenGL
3.3
4.6
Shader Model
4.0
6.5
Vulkan
N/A
1.2