NVIDIA GeForce GT 820M vs AMD FirePro M3900
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 820M and 1024MB VRAM FirePro M3900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 820M 's Advantages
Released 3 years and 1 months late
Lower TDP (15W vs 20W)
AMD FirePro M3900 's Advantages
64 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 820M
+24%
0.298 TFLOPS
FirePro M3900
0.24 TFLOPS
Graphics Card
Nov 2013
Release Date
Oct 2010
GeForce 800M
Generation
FirePro Mobile
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
900 MHz
Memory Clock
900 MHz
Memory
1024MB
Memory Size
1024MB
DDR3
Memory Type
GDDR3
64bit
Memory Bus
64bit
14.40GB/s
Bandwidth
14.40GB/s
Render Config
-
Compute Units
2
2
SM Count
-
96
Shading Units
160
16
TMUs
8
8
ROPs
4
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
8 KB (per CU)
128 KB
L2 Cache
128 KB
-
-
-
Theoretical Performance
3.100 GPixel/s
Pixel Rate
3.000 GPixel/s
12.40 GTexel/s
Texture Rate
6.000 GTexel/s
-
-
-
297.6 GFLOPS
FP32 (float)
240.0 GFLOPS
24.80 GFLOPS
FP64 (double)
-
Board Design
15W
TDP
20W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GF117
GPU Name
Seymour
N15V-GM
GPU Variant
Seymour GL
Fermi 2.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
0.585 billion
Transistors
0.37 billion
116 mm²
Die Size
67 mm²
Graphics Features
12 (11_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.1
OpenCL
1.2
N/A
Vulkan
N/A
2.1
CUDA
-
5.1
Shader Model
5.0
