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GPU Comparison
AMD Radeon Pro Vega 20 vs AMD Radeon HD 6450A
AMD Radeon Pro Vega 20 vs AMD Radeon HD 6450A
VS
AMD Radeon Pro Vega 20
AMD Radeon HD 6450A
We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro Vega 20 and 512MB VRAM Radeon HD 6450A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon Pro Vega 20 's Advantages
Released 7 years and 7 months late
Boost Clock1283MHz
Larger VRAM bandwidth (189.4GB/s vs 8.528GB/s)
1120 additional rendering cores
AMD Radeon HD 6450A 's Advantages
Lower TDP (25W vs 100W)
Score
Benchmark
FP32 (float)
Radeon Pro Vega 20
+1542%
3.284 TFLOPS
Radeon HD 6450A
0.2 TFLOPS
Radeon Pro Vega 20
VS
Radeon HD 6450A
Graphics Card
Nov 2018
Release Date
Apr 2011
Radeon Pro Mac
Generation
All-In-One
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-A (3.0)
Clock Speeds
815 MHz
Base Clock
-
1283 MHz
Boost Clock
-
740 MHz
Memory Clock
533 MHz
Memory
4GB
Memory Size
512MB
HBM2
Memory Type
DDR3
1024bit
Memory Bus
64bit
189.4GB/s
Bandwidth
8.528GB/s
Render Config
-
SM Count
-
20
Compute Units
2
1280
Shading Units
160
80
TMUs
8
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
1024 KB
L2 Cache
128 KB
Theoretical Performance
41.06 GPixel/s
Pixel Rate
2.500 GPixel/s
102.6 GTexel/s
Texture Rate
5.000 GTexel/s
6.569 TFLOPS
FP16 (half)
-
3.284 TFLOPS
FP32 (float)
200.0 GFLOPS
205.3 GFLOPS
FP64 (double)
-
Graphics Processor
Vega 12
GPU Name
Caicos
Vega 12 XTA
GPU Variant
-
GCN 5.0
Architecture
TeraScale 2
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
40 nm
Unknown
Transistors
0.37 billion
Unknown
Die Size
67 mm²
Board Design
100W
TDP
25W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
-
Graphics Features
12 (12_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.1
OpenCL
1.2
1.2
Vulkan
N/A
-
CUDA
-
6.3
Shader Model
5.0
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