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GPU Comparison
AMD Radeon R9 M390X vs NVIDIA GeForce GTX 675M
AMD Radeon R9 M390X vs NVIDIA GeForce GTX 675M
VS
AMD Radeon R9 M390X
NVIDIA GeForce GTX 675M
We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M390X and 2GB VRAM GeForce GTX 675M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 M390X 's Advantages
Released 3 years and 2 months late
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (160.0GB/s vs 96.00GB/s)
1664 additional rendering cores
Lower TDP (75W vs 100W)
Score
Benchmark
FP32 (float)
Radeon R9 M390X
+211%
2.961 TFLOPS
GeForce GTX 675M
0.952 TFLOPS
Radeon R9 M390X
VS
GeForce GTX 675M
Graphics Card
May 2015
Release Date
Mar 2012
Crystal System
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1250 MHz
Memory Clock
750 MHz
Memory
4GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
160.0GB/s
Bandwidth
96.00GB/s
Render Config
-
SM Count
8
32
Compute Units
-
2048
Shading Units
384
128
TMUs
64
32
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
64 KB (per SM)
512 KB
L2 Cache
512 KB
Theoretical Performance
23.14 GPixel/s
Pixel Rate
9.920 GPixel/s
92.54 GTexel/s
Texture Rate
39.68 GTexel/s
2.961 TFLOPS
FP16 (half)
-
2.961 TFLOPS
FP32 (float)
952.3 GFLOPS
185.1 GFLOPS
FP64 (double)
79.36 GFLOPS
Graphics Processor
Amethyst
GPU Name
GF114
Amethyst XT
GPU Variant
N13E-GS1-A1
GCN 3.0
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
5 billion
Transistors
1.95 billion
366 mm²
Die Size
332 mm²
Board Design
75W
TDP
100W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Features
12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.0
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
2.1
6.3
Shader Model
5.1
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