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GPU Comparison
AMD Radeon R9 M295X Mac Edition vs NVIDIA GeForce 820M
AMD Radeon R9 M295X Mac Edition vs NVIDIA GeForce 820M
VS
AMD Radeon R9 M295X Mac Edition
NVIDIA GeForce 820M
We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M295X Mac Edition and 2GB VRAM GeForce 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 M295X Mac Edition 's Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (174.3GB/s vs 28.83GB/s)
1664 additional rendering cores
NVIDIA GeForce 820M 's Advantages
Lower TDP (45W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 M295X Mac Edition
+459%
3.482 TFLOPS
GeForce 820M
0.622 TFLOPS
Radeon R9 M295X Mac Edition
VS
GeForce 820M
Graphics Card
Nov 2014
Release Date
Mar 2015
Crystal System
Generation
GeForce 800M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1362 MHz
Memory Clock
901 MHz
Memory
4GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
128bit
174.3GB/s
Bandwidth
28.83GB/s
Render Config
-
SM Count
-
32
Compute Units
-
2048
Shading Units
384
128
TMUs
32
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
512 KB
L2 Cache
256 KB
Theoretical Performance
27.20 GPixel/s
Pixel Rate
6.480 GPixel/s
108.8 GTexel/s
Texture Rate
25.92 GTexel/s
3.482 TFLOPS
FP16 (half)
-
3.482 TFLOPS
FP32 (float)
622.1 GFLOPS
217.6 GFLOPS
FP64 (double)
25.92 GFLOPS
Graphics Processor
Amethyst
GPU Name
GK107
Amethyst XT
GPU Variant
-
GCN 3.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
5 billion
Transistors
1.27 billion
366 mm²
Die Size
118 mm²
Board Design
250W
TDP
45W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
-
Graphics Features
12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.0
OpenCL
3.0
1.2
Vulkan
1.1
-
CUDA
3.0
6.3
Shader Model
5.1
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