NVIDIA GeForce GT 820M vs AMD Radeon R5 M320
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 820M and 4GB VRAM Radeon R5 M320 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R5 M320 's Advantages
Released 1 years and 6 months late
Boost Clock855MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (16.00GB/s vs 14.40GB/s)
224 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 820M
0.298 TFLOPS
Radeon R5 M320
+83%
0.547 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 x8
Clock Speeds
-
Base Clock
780 MHz
-
Boost Clock
855 MHz
900 MHz
Memory Clock
1000 MHz
Memory
1024MB
Memory Size
4GB
DDR3
Memory Type
DDR3
64bit
Memory Bus
64bit
14.40GB/s
Bandwidth
16.00GB/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
6.840 GPixel/s
12.40 GTexel/s
Texture Rate
17.10 GTexel/s
-
-
-
297.6 GFLOPS
FP32 (float)
547.2 GFLOPS
24.80 GFLOPS
FP64 (double)
34.20 GFLOPS
Board Design
15W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
-
-
-
Graphics Processor
GF117
GPU Name
Jet
N15V-GM
GPU Variant
Jet PRO
(216-0856040)
Fermi 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
0.585 billion
Transistors
0.69 billion
116 mm²
Die Size
56 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)
