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GPU Comparison
NVIDIA GeForce GT 820M vs NVIDIA GeForce GTX 880M
NVIDIA GeForce GT 820M vs NVIDIA GeForce GTX 880M
VS
NVIDIA GeForce GT 820M
NVIDIA GeForce GTX 880M
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 820M and 8GB VRAM GeForce GTX 880M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 820M 's Advantages
Lower TDP (15W vs 122W)
NVIDIA GeForce GTX 880M 's Advantages
Boost Clock993MHz
More VRAM (8GB vs 1GB)
Larger VRAM bandwidth (160.0GB/s vs 14.40GB/s)
1440 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 820M
0.298 TFLOPS
GeForce GTX 880M
+923%
3.05 TFLOPS
GeForce GT 820M
VS
GeForce GTX 880M
Graphics Card
Nov 2013
Release Date
Mar 2014
GeForce 800M
Generation
GeForce 800M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
-
Base Clock
954 MHz
-
Boost Clock
993 MHz
900 MHz
Memory Clock
1250 MHz
Memory
1024MB
Memory Size
8GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
256bit
14.40GB/s
Bandwidth
160.0GB/s
Render Config
2
SM Count
-
-
Compute Units
-
96
Shading Units
1536
16
TMUs
128
8
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
64 KB (per SM)
L1 Cache
16 KB (per SMX)
128 KB
L2 Cache
512 KB
Theoretical Performance
3.100 GPixel/s
Pixel Rate
31.78 GPixel/s
12.40 GTexel/s
Texture Rate
127.1 GTexel/s
-
FP16 (half)
-
297.6 GFLOPS
FP32 (float)
3.050 TFLOPS
24.80 GFLOPS
FP64 (double)
127.1 GFLOPS
Graphics Processor
GF117
GPU Name
GK104
N15V-GM
GPU Variant
N15E-GX-A2
Fermi 2.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
0.585 billion
Transistors
3.54 billion
116 mm²
Die Size
294 mm²
Board Design
15W
TDP
122W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.1
2.1
CUDA
3.0
5.1
Shader Model
5.1
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9
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