AMD Radeon R5 A335 vs NVIDIA GeForce GT 820M
We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 A335 and 1024MB VRAM GeForce GT 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R5 A335 's Advantages
Released 1 years and 11 months late
More VRAM (2GB vs 1024GB)
224 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R5 A335
+129%
0.684 TFLOPS
GeForce GT 820M
0.298 TFLOPS
Graphics Card
Oct 2015
Release Date
Nov 2013
All-In-One
Generation
GeForce 800M
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
900 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
1024MB
DDR3
Memory Type
DDR3
64bit
Memory Bus
64bit
14.40GB/s
Bandwidth
14.40GB/s
Render Config
5
Compute Units
-
-
SM Count
2
320
Shading Units
96
20
TMUs
16
8
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
64 KB (per SM)
128 KB
L2 Cache
128 KB
-
-
-
Theoretical Performance
8.560 GPixel/s
Pixel Rate
3.100 GPixel/s
21.40 GTexel/s
Texture Rate
12.40 GTexel/s
-
-
-
684.8 GFLOPS
FP32 (float)
297.6 GFLOPS
-
FP64 (double)
24.80 GFLOPS
Board Design
Unknown
TDP
15W
-
-
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Exo
GPU Name
GF117
-
GPU Variant
N15V-GM
GCN 1.0
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
0.69 billion
Transistors
0.585 billion
56 mm²
Die Size
116 mm²
Graphics Features
12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1 (1.2)
OpenCL
1.1
1.2.170
Vulkan
N/A
-
CUDA
2.1
6.5 (5.1)
Shader Model
5.1
