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GPU Comparison
AMD Radeon R7 M440 vs NVIDIA GeForce 840A
AMD Radeon R7 M440 vs NVIDIA GeForce 840A
VS
AMD Radeon R7 M440
NVIDIA GeForce 840A
We compared two Mobile platform GPUs: 4GB VRAM Radeon R7 M440 and 2GB VRAM GeForce 840A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R7 M440 's Advantages
Released 2 years and 2 months late
More VRAM (4GB vs 2GB)
NVIDIA GeForce 840A 's Advantages
Boost Clock1124MHz
Larger VRAM bandwidth (16.02GB/s vs 14.40GB/s)
64 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R7 M440
0.57 TFLOPS
GeForce 840A
+51%
0.863 TFLOPS
Radeon R7 M440
VS
GeForce 840A
Graphics Card
May 2016
Release Date
Mar 2014
Gem System
Generation
GeForce 800A
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
1029 MHz
-
Boost Clock
1124 MHz
900 MHz
Memory Clock
1001 MHz
Memory
4GB
Memory Size
2GB
DDR3
Memory Type
DDR3
64bit
Memory Bus
64bit
14.40GB/s
Bandwidth
16.02GB/s
Render Config
5
Compute Units
-
-
-
-
320
Shading Units
384
20
TMUs
16
8
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
64 KB (per SMM)
128 KB
L2 Cache
1024 KB
-
-
-
Theoretical Performance
7.128 GPixel/s
Pixel Rate
8.992 GPixel/s
17.82 GTexel/s
Texture Rate
17.98 GTexel/s
570.2 GFLOPS
FP16 (half)
-
570.2 GFLOPS
FP32 (float)
863.2 GFLOPS
35.64 GFLOPS
FP64 (double)
26.98 GFLOPS
Board Design
Unknown
TDP
33W
-
-
-
Portable Device Dependent
Outputs
No outputs
-
-
-
Graphics Processor
Meso
GPU Name
GM108
Meso PRO (216-0864032)
GPU Variant
-
GCN 3.0
Architecture
Maxwell
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.55 billion
Transistors
Unknown
125 mm²
Die Size
Unknown
Graphics Features
12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.2.170
Vulkan
1.3
-
CUDA
5.0
6.5
Shader Model
5.1
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