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GPU Comparison
NVIDIA GeForce GTX 980 Mobile vs NVIDIA GeForce GT 820M
NVIDIA GeForce GTX 980 Mobile vs NVIDIA GeForce GT 820M
VS
NVIDIA GeForce GTX 980 Mobile
NVIDIA GeForce GT 820M
We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 980 Mobile and 1024MB VRAM GeForce GT 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 980 Mobile 's Advantages
Released 1 years and 10 months late
Boost Clock1140MHz
More VRAM (8GB vs 1GB)
Larger VRAM bandwidth (224.4GB/s vs 14.40GB/s)
1952 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 980 Mobile
+1466%
4.669 TFLOPS
GeForce GT 820M
0.298 TFLOPS
GeForce GTX 980 Mobile
VS
GeForce GT 820M
Graphics Card
Sep 2015
Release Date
Nov 2013
GeForce 900M
Generation
GeForce 800M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x16
Clock Speeds
1064 MHz
Base Clock
-
1140 MHz
Boost Clock
-
1753 MHz
Memory Clock
900 MHz
Memory
8GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
64bit
224.4GB/s
Bandwidth
14.40GB/s
Render Config
-
SM Count
2
-
Compute Units
-
2048
Shading Units
96
128
TMUs
16
64
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
48 KB (per SMM)
L1 Cache
64 KB (per SM)
2 MB
L2 Cache
128 KB
Theoretical Performance
72.96 GPixel/s
Pixel Rate
3.100 GPixel/s
145.9 GTexel/s
Texture Rate
12.40 GTexel/s
-
FP16 (half)
-
4.669 TFLOPS
FP32 (float)
297.6 GFLOPS
145.9 GFLOPS
FP64 (double)
24.80 GFLOPS
Graphics Processor
GM204
GPU Name
GF117
N16E-GXX-A1
GPU Variant
N15V-GM
Maxwell 2.0
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
5.2 billion
Transistors
0.585 billion
398 mm²
Die Size
116 mm²
Board Design
Unknown
TDP
15W
-
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-
Graphics Features
12 (12_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.3
Vulkan
N/A
5.2
CUDA
2.1
6.7 (6.4)
Shader Model
5.1
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