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GPU Comparison
ATI Mobility Radeon HD 3450 vs NVIDIA GeForce 840M
ATI Mobility Radeon HD 3450 vs NVIDIA GeForce 840M
VS
ATI Mobility Radeon HD 3450
NVIDIA GeForce 840M
We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 3450 and 2GB VRAM GeForce 840M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 840M 's Advantages
Released 6 years and 2 months late
Boost Clock1124MHz
Larger VRAM bandwidth (16.02GB/s vs 6.400GB/s)
344 additional rendering cores
Score
Benchmark
FP32 (float)
Mobility Radeon HD 3450
0.04 TFLOPS
GeForce 840M
+2057%
0.863 TFLOPS
Mobility Radeon HD 3450
VS
GeForce 840M
Graphics Card
Jan 2008
Release Date
Mar 2014
M8x
Generation
GeForce 800M
Mobile
Type
Mobile
MXM-II
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
1029 MHz
-
Boost Clock
1124 MHz
400 MHz
Memory Clock
1001 MHz
Memory
256MB
Memory Size
2GB
DDR2
Memory Type
DDR3
64bit
Memory Bus
64bit
6.400GB/s
Bandwidth
16.02GB/s
Render Config
-
SM Count
-
2
Compute Units
-
40
Shading Units
384
4
TMUs
16
4
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
-
L1 Cache
64 KB (per SMM)
64 KB
L2 Cache
1024 KB
Theoretical Performance
2.000 GPixel/s
Pixel Rate
8.992 GPixel/s
2.000 GTexel/s
Texture Rate
17.98 GTexel/s
-
FP16 (half)
-
40.00 GFLOPS
FP32 (float)
863.2 GFLOPS
-
FP64 (double)
26.98 GFLOPS
Graphics Processor
M82
GPU Name
GM108
M82-SCE XT (216-0707011)
GPU Variant
N15S-GT
TeraScale
Architecture
Maxwell
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.181 billion
Transistors
Unknown
67 mm²
Die Size
Unknown
Board Design
Unknown
TDP
33W
-
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
-
Power Connectors
-
Graphics Features
10.1
DirectX
12 (11_0)
3.3
OpenGL
4.6
N/A
OpenCL
3.0
N/A
Vulkan
1.3
-
CUDA
5.0
4.1
Shader Model
5.1
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