NVIDIA GeForce GT 820M vs AMD Radeon R7 M440
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 820M and 4GB VRAM Radeon R7 M440 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R7 M440 's Advantages
Released 2 years and 6 months late
More VRAM (4GB vs 1024GB)
224 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 820M
0.298 TFLOPS
Radeon R7 M440
+91%
0.57 TFLOPS
Graphics Card
Nov 2013
Release Date
May 2016
GeForce 800M
Generation
Gem System
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
-
-
-
-
-
900 MHz
Memory Clock
900 MHz
Memory
1024MB
Memory Size
4GB
DDR3
Memory Type
DDR3
64bit
Memory Bus
64bit
14.40GB/s
Bandwidth
14.40GB/s
Render Config
-
Compute Units
5
2
SM Count
-
96
Shading Units
320
16
TMUs
20
8
ROPs
8
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
128 KB
-
-
-
Theoretical Performance
3.100 GPixel/s
Pixel Rate
7.128 GPixel/s
12.40 GTexel/s
Texture Rate
17.82 GTexel/s
-
FP16 (half)
570.2 GFLOPS
297.6 GFLOPS
FP32 (float)
570.2 GFLOPS
24.80 GFLOPS
FP64 (double)
35.64 GFLOPS
Board Design
15W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
-
-
-
Graphics Processor
GF117
GPU Name
Meso
N15V-GM
GPU Variant
Meso PRO
(216-0864032)
Fermi 2.0
Architecture
GCN 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
0.585 billion
Transistors
1.55 billion
116 mm²
Die Size
125 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.1
OpenCL
2.1
N/A
Vulkan
1.2.170
2.1
CUDA
-
5.1
Shader Model
6.5
