AMD FirePro M3900 vs NVIDIA GeForce GT 420M
We compared two Mobile platform GPUs: 1024MB VRAM FirePro M3900 and 512MB VRAM GeForce GT 420M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD FirePro M3900 's Advantages
More VRAM (1024GB vs 512GB)
64 additional rendering cores
Lower TDP (20W vs 23W)
NVIDIA GeForce GT 420M 's Advantages
Larger VRAM bandwidth (25.60GB/s vs 14.40GB/s)
Score
Benchmark
FP32 (float)
FirePro M3900
+25%
0.24 TFLOPS
GeForce GT 420M
0.192 TFLOPS
Graphics Card
Oct 2010
Release Date
Sep 2010
FirePro Mobile
Generation
GeForce 400M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
900 MHz
Memory Clock
800 MHz
Memory
1024MB
Memory Size
512MB
GDDR3
Memory Type
DDR3
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
25.60GB/s
Render Config
2
Compute Units
-
-
SM Count
2
160
Shading Units
96
8
TMUs
16
4
ROPs
4
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
64 KB (per SM)
128 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
3.000 GPixel/s
Pixel Rate
2.000 GPixel/s
6.000 GTexel/s
Texture Rate
8.000 GTexel/s
-
-
-
240.0 GFLOPS
FP32 (float)
192.0 GFLOPS
-
FP64 (double)
16.00 GFLOPS
Board Design
20W
TDP
23W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
Seymour
GPU Name
GF108
Seymour GL
GPU Variant
N11P-GE-A1
TeraScale 2
Architecture
Fermi
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
0.37 billion
Transistors
0.585 billion
67 mm²
Die Size
116 mm²
Graphics Features
11.2 (11_0)
DirectX
12 (11_0)
4.4
OpenGL
4.6
1.2
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
2.1
5.0
Shader Model
5.1
