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GPU Comparison
AMD Radeon R9 M390X vs NVIDIA GeForce 800A
AMD Radeon R9 M390X vs NVIDIA GeForce 800A
VS
AMD Radeon R9 M390X
NVIDIA GeForce 800A
We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M390X and 1024MB VRAM GeForce 800A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 M390X 's Advantages
Released 1 years and 2 months late
More VRAM (4GB vs 1GB)
Larger VRAM bandwidth (160.0GB/s vs 14.40GB/s)
2000 additional rendering cores
NVIDIA GeForce 800A 's Advantages
Lower TDP (15W vs 75W)
Score
Benchmark
FP32 (float)
Radeon R9 M390X
+3153%
2.961 TFLOPS
GeForce 800A
0.091 TFLOPS
Radeon R9 M390X
VS
GeForce 800A
Graphics Card
May 2015
Release Date
Mar 2014
Crystal System
Generation
GeForce 800A
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1250 MHz
Memory Clock
900 MHz
Memory
4GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
64bit
160.0GB/s
Bandwidth
14.40GB/s
Render Config
-
SM Count
1
32
Compute Units
-
2048
Shading Units
48
128
TMUs
8
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
64 KB (per SM)
512 KB
L2 Cache
128 KB
Theoretical Performance
23.14 GPixel/s
Pixel Rate
950.0 MPixel/s
92.54 GTexel/s
Texture Rate
3.800 GTexel/s
2.961 TFLOPS
FP16 (half)
-
2.961 TFLOPS
FP32 (float)
91.20 GFLOPS
185.1 GFLOPS
FP64 (double)
7.600 GFLOPS
Graphics Processor
Amethyst
GPU Name
GF119
Amethyst XT
GPU Variant
-
GCN 3.0
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
5 billion
Transistors
0.292 billion
366 mm²
Die Size
79 mm²
Board Design
75W
TDP
15W
-
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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