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GPU Comparison
AMD Radeon RX 6800M vs AMD Radeon HD 6450M
AMD Radeon RX 6800M vs AMD Radeon HD 6450M
VS
AMD Radeon RX 6800M
AMD Radeon HD 6450M
We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 6800M and 1024MB VRAM Radeon HD 6450M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6800M 's Advantages
Released 10 years and 4 months late
Boost Clock2390MHz
More VRAM (12GB vs 1GB)
Larger VRAM bandwidth (384.0GB/s vs 12.80GB/s)
2400 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 6800M
+6275%
12.24 TFLOPS
Radeon HD 6450M
0.192 TFLOPS
Radeon RX 6800M
VS
Radeon HD 6450M
Graphics Card
May 2021
Release Date
Jan 2011
Mobility Radeon
Generation
Vancouver
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
2116 MHz
Base Clock
-
2390 MHz
Boost Clock
-
2000 MHz
Memory Clock
800 MHz
Memory
12GB
Memory Size
1024MB
GDDR6
Memory Type
DDR3
192bit
Memory Bus
64bit
384.0GB/s
Bandwidth
12.80GB/s
Render Config
-
SM Count
-
40
Compute Units
2
2560
Shading Units
160
160
TMUs
8
64
ROPs
4
-
Tensor Cores
-
40
RT Cores
-
128 KB per Array
L1 Cache
8 KB (per CU)
3 MB
L2 Cache
128 KB
Theoretical Performance
153.0 GPixel/s
Pixel Rate
2.400 GPixel/s
382.4 GTexel/s
Texture Rate
4.800 GTexel/s
24.47 TFLOPS
FP16 (half)
-
12.24 TFLOPS
FP32 (float)
192.0 GFLOPS
764.8 GFLOPS
FP64 (double)
-
Graphics Processor
Navi 22
GPU Name
Seymour
Navi 22 XTM
GPU Variant
Seymour PRO S3 (216-0809024)
RDNA 2.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
7 nm
Process Size
40 nm
17.2 billion
Transistors
0.37 billion
335 mm²
Die Size
67 mm²
Board Design
145W
TDP
Unknown
-
Suggested PSU
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
-
Graphics Features
12 Ultimate (12_2)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.1
OpenCL
1.2
1.3
Vulkan
N/A
-
CUDA
-
6.5
Shader Model
5.0
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