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GPU Comparison
AMD Radeon HD 6750M Mac Edition vs AMD Radeon R9 M390 Mac Edition
AMD Radeon HD 6750M Mac Edition vs AMD Radeon R9 M390 Mac Edition
VS
AMD Radeon HD 6750M Mac Edition
AMD Radeon R9 M390 Mac Edition
We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6750M Mac Edition and 2GB VRAM Radeon R9 M390 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6750M Mac Edition 's Advantages
Lower TDP (35W vs 80W)
AMD Radeon R9 M390 Mac Edition 's Advantages
Released 4 years and 1 months late
Larger VRAM bandwidth (174.7GB/s vs 50.82GB/s)
544 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 6750M Mac Edition
0.574 TFLOPS
Radeon R9 M390 Mac Edition
+241%
1.962 TFLOPS
Radeon HD 6750M Mac Edition
VS
Radeon R9 M390 Mac Edition
Graphics Card
Apr 2011
Release Date
May 2015
Vancouver
Generation
Crystal System
Mobile
Type
Mobile
MXM-A (3.0)
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
794 MHz
Memory Clock
1365 MHz
Memory
512MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
50.82GB/s
Bandwidth
174.7GB/s
Render Config
-
SM Count
-
6
Compute Units
16
480
Shading Units
1024
24
TMUs
64
8
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
512 KB
Theoretical Performance
4.784 GPixel/s
Pixel Rate
30.66 GPixel/s
14.35 GTexel/s
Texture Rate
61.31 GTexel/s
-
FP16 (half)
-
574.1 GFLOPS
FP32 (float)
1.962 TFLOPS
-
FP64 (double)
122.6 GFLOPS
Graphics Processor
Whistler
GPU Name
Pitcairn
Whistler PRO (216-0810005)
GPU Variant
Pitcairn PRO (215-0828062)
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.716 billion
Transistors
2.8 billion
104 mm²
Die Size
212 mm²
Board Design
35W
TDP
80W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Features
11.2 (11_0)
DirectX
12 (11_1)
4.4
OpenGL
4.6
1.2
OpenCL
1.2
N/A
Vulkan
1.2
-
CUDA
-
5.0
Shader Model
5.1
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