Radeon HD 6450 and Radeon 680M - video card comparison
Passmark - benchmark score Radeon HD 6450 vs Radeon 680M
Radeon HD 6450
203
Radeon 680M
6351
Radeon HD 6450
Radeon 680M
Architecture
TeraScale 2 (2009−2015)
RDNA 2 (2020−2022)
GPU code name
Caicos
RDNA 2 Rembrandt
Market segment
Desktop
Laptop
Release date
April 2011
January 2022
Bus support
PCIe 2.0 x8
-
Interface
PCIe 2.0 x16
PCIe 4.0 x8
Supplementary power connectors
None
None
Boost clock speed
750 MHz
2400 MHz
Floating-point performance
200.0 gflops
-
Manufacturing process technology
40 nm
6 nm
Number of transistors
370 million
13,100 million
Pipelines / CUDA cores
160
768
Power consumption (TDP)
30 Watt
45 Watt
Texture fill rate
5.000
115.2
Memory type
GDDR5
System Shared
Maximum RAM amount
1 GB
System Shared
Memory bus width
64 Bit
System Shared
Memory clock speed
800 MHz
System Shared
Memory bandwidth
25.6 GB/s
-
Memory bandwidth
8.5-12.8 GB/x (DDR3) or 25.6-28.8 GB/s (GDDR5)
-
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
No outputs
Eyefinity
1
-
Number of Eyefinity displays
4
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 11
12 (12_1)
Mantle
-
-
OpenCL
1.2
2.0
OpenGL
4.4
4.6
Shader Model
5.0
6.5
Vulkan
-
1.2
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-