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GPU Comparison
AMD Radeon R9 M390 Mac Edition vs AMD Radeon HD 6330M
AMD Radeon R9 M390 Mac Edition vs AMD Radeon HD 6330M
VS
AMD Radeon R9 M390 Mac Edition
AMD Radeon HD 6330M
We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 1024MB VRAM Radeon HD 6330M 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 6 months late
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (174.7GB/s vs 12.80GB/s)
944 additional rendering cores
AMD Radeon HD 6330M 's Advantages
Lower TDP (7W vs 80W)
Score
Benchmark
FP32 (float)
Radeon R9 M390 Mac Edition
+2352%
1.962 TFLOPS
Radeon HD 6330M
0.08 TFLOPS
Radeon R9 M390 Mac Edition
VS
Radeon HD 6330M
Graphics Card
May 2015
Release Date
Nov 2010
Crystal System
Generation
Vancouver
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1365 MHz
Memory Clock
800 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
64bit
174.7GB/s
Bandwidth
12.80GB/s
Render Config
16
Compute Units
2
-
-
-
1024
Shading Units
80
64
TMUs
8
32
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
128 KB
-
-
-
Theoretical Performance
30.66 GPixel/s
Pixel Rate
2.000 GPixel/s
61.31 GTexel/s
Texture Rate
4.000 GTexel/s
-
-
-
1.962 TFLOPS
FP32 (float)
80.00 GFLOPS
122.6 GFLOPS
FP64 (double)
-
Board Design
80W
TDP
7W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Pitcairn
GPU Name
Robson
Pitcairn PRO (215-0828062)
GPU Variant
Robson LP
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
2.8 billion
Transistors
0.292 billion
212 mm²
Die Size
59 mm²
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
-
-
-
5.1
Shader Model
5.0
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8
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