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GPU Comparison
NVIDIA GeForce 8400M G vs NVIDIA GeForce GTX 850A
NVIDIA GeForce 8400M G vs NVIDIA GeForce GTX 850A
VS
NVIDIA GeForce 8400M G
NVIDIA GeForce GTX 850A
We compared two Mobile platform GPUs: 256MB VRAM GeForce 8400M G and 2GB VRAM GeForce GTX 850A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 8400M G 's Advantages
Lower TDP (10W vs 45W)
NVIDIA GeForce GTX 850A 's Advantages
Released 6 years and 10 months late
Boost Clock936MHz
Larger VRAM bandwidth (28.80GB/s vs 6.400GB/s)
632 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 8400M G
0.013 TFLOPS
GeForce GTX 850A
+9115%
1.198 TFLOPS
GeForce 8400M G
VS
GeForce GTX 850A
Graphics Card
May 2007
Release Date
Mar 2014
GeForce 8M
Generation
GeForce 800A
Mobile
Type
Mobile
PCIe 1.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
902 MHz
-
Boost Clock
936 MHz
400 MHz
Memory Clock
900 MHz
Memory
256MB
Memory Size
2GB
GDDR3
Memory Type
DDR3
64bit
Memory Bus
128bit
6.400GB/s
Bandwidth
28.80GB/s
Render Config
1
SM Count
-
-
Compute Units
-
8
Shading Units
640
8
TMUs
40
4
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
-
L1 Cache
64 KB (per SMM)
16 KB
L2 Cache
2 MB
Theoretical Performance
1.600 GPixel/s
Pixel Rate
14.98 GPixel/s
3.200 GTexel/s
Texture Rate
37.44 GTexel/s
-
FP16 (half)
-
12.80 GFLOPS
FP32 (float)
1198 GFLOPS
-
FP64 (double)
37.44 GFLOPS
Graphics Processor
G86
GPU Name
GM107
NB8M-SE
GPU Variant
N15P-GT-A1
Tesla
Architecture
Maxwell
TSMC
Foundry
TSMC
80 nm
Process Size
28 nm
0.21 billion
Transistors
1.87 billion
127 mm²
Die Size
148 mm²
Board Design
10W
TDP
45W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Features
11.1 (10_0)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.3
1.1
CUDA
5.0
4.0
Shader Model
5.1
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9
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10
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