NVIDIA GeForce GT 820M vs AMD Radeon R9 M365X
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 820M and 4GB VRAM Radeon R9 M365X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 M365X 's Advantages
Released 1 years and 6 months late
Boost Clock925MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (72.00GB/s vs 14.40GB/s)
544 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 820M
0.298 TFLOPS
Radeon R9 M365X
+297%
1.184 TFLOPS
Graphics Card
Nov 2013
Release Date
May 2015
GeForce 800M
Generation
Gem System
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
900 MHz
-
Boost Clock
925 MHz
900 MHz
Memory Clock
1125 MHz
Memory
1024MB
Memory Size
4GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
72.00GB/s
Render Config
-
Compute Units
10
2
SM Count
-
96
Shading Units
640
16
TMUs
40
8
ROPs
16
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
3.100 GPixel/s
Pixel Rate
14.80 GPixel/s
12.40 GTexel/s
Texture Rate
37.00 GTexel/s
-
-
-
297.6 GFLOPS
FP32 (float)
1184 GFLOPS
24.80 GFLOPS
FP64 (double)
74.00 GFLOPS
Board Design
15W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
-
-
-
Graphics Processor
GF117
GPU Name
Tropo
N15V-GM
GPU Variant
Tropo XT
Fermi 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
0.585 billion
Transistors
1.5 billion
116 mm²
Die Size
123 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
1.1
OpenCL
2.1 (1.2)
N/A
Vulkan
1.2.170
2.1
CUDA
-
5.1
Shader Model
6.5 (5.1)
