Radeon Pro Vega 20 vs Radeon HD 6650M
We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro Vega 20 and 1024MB VRAM Radeon HD 6650M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon Pro Vega 20 Advantages
Released 7 years and 10 months late
Boost Clock1283MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (189.4GB/s vs 25.60GB/s)
800 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon Pro Vega 20
+470%
3284
Radeon HD 6650M
576
Graphics Card
Nov 2018
Release Date
Jan 2011
Radeon Pro Mac
Generation
Vancouver
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
815 MHz
Base Clock
-
1283 MHz
Boost Clock
-
740 MHz
Memory Clock
800 MHz
Memory
4GB
Memory Size
1024MB
HBM2
Memory Type
DDR3
1024bit
Memory Bus
128bit
189.4GB/s
Bandwidth
25.60GB/s
Render Config
20
Compute Units
6
1280
Shading Units
480
80
TMUs
24
32
ROPs
8
16 KB (per CU)
L1 Cache
8 KB (per CU)
1024 KB
L2 Cache
256 KB
Theoretical Performance
41.06 GPixel/s
Pixel Rate
4.800 GPixel/s
102.6 GTexel/s
Texture Rate
14.40 GTexel/s
6.569 TFLOPS
FP16 (half)
-
3.284 TFLOPS
FP32 (float)
576.0 GFLOPS
205.3 GFLOPS
FP64 (double)
-
Board Design
100W
TDP
Unknown
No outputs
Outputs
Portable Device Dependent
Graphics Processor
Vega 12
GPU Name
Whistler
Vega 12 XTA
GPU Variant
Whistler LE
(216-0810028)
(216-0810028)
GCN 5.0
Architecture
TeraScale 2
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
40 nm
Unknown
Transistors
0.716 billion
Unknown
Die Size
118 mm²
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
6.3
Shader Model
5.0
