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GPU Comparison
AMD Radeon R9 M390 Mac Edition vs AMD Radeon HD 6650A
AMD Radeon R9 M390 Mac Edition vs AMD Radeon HD 6650A
VS
AMD Radeon R9 M390 Mac Edition
AMD Radeon HD 6650A
We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 1024MB VRAM Radeon HD 6650A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 M390 Mac Edition 's Advantages
Released 4 years and 1 months late
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (174.7GB/s vs 28.80GB/s)
544 additional rendering cores
AMD Radeon HD 6650A 's Advantages
Lower TDP (45W vs 80W)
Score
Benchmark
FP32 (float)
Radeon R9 M390 Mac Edition
+240%
1.962 TFLOPS
Radeon HD 6650A
0.576 TFLOPS
Radeon R9 M390 Mac Edition
VS
Radeon HD 6650A
Graphics Card
May 2015
Release Date
Apr 2011
Crystal System
Generation
All-In-One
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-A (3.0)
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1365 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
128bit
174.7GB/s
Bandwidth
28.80GB/s
Render Config
-
SM Count
-
16
Compute Units
6
1024
Shading Units
480
64
TMUs
24
32
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
256 KB
Theoretical Performance
30.66 GPixel/s
Pixel Rate
4.800 GPixel/s
61.31 GTexel/s
Texture Rate
14.40 GTexel/s
-
FP16 (half)
-
1.962 TFLOPS
FP32 (float)
576.0 GFLOPS
122.6 GFLOPS
FP64 (double)
-
Graphics Processor
Pitcairn
GPU Name
Onega
Pitcairn PRO (215-0828062)
GPU Variant
-
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
2.8 billion
Transistors
0.716 billion
212 mm²
Die Size
118 mm²
Board Design
80W
TDP
45W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Features
12 (11_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.2
OpenCL
1.2
1.2
Vulkan
N/A
-
CUDA
-
5.1
Shader Model
5.0
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2
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5
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7
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8
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9
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10
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