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GPU Comparison
AMD Radeon R7 M340 vs NVIDIA GeForce 405M
AMD Radeon R7 M340 vs NVIDIA GeForce 405M
VS
AMD Radeon R7 M340
NVIDIA GeForce 405M
We compared two Mobile platform GPUs: 1024MB VRAM Radeon R7 M340 and 512MB VRAM GeForce 405M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R7 M340 's Advantages
Released 4 years and 11 months late
Boost Clock715MHz
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (16.00GB/s vs 12.80GB/s)
368 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R7 M340
+1307%
0.549 TFLOPS
GeForce 405M
0.039 TFLOPS
Radeon R7 M340
VS
GeForce 405M
Graphics Card
Dec 2015
Release Date
Jan 2011
Gem System
Generation
GeForce 400M
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
620 MHz
Base Clock
-
715 MHz
Boost Clock
-
1000 MHz
Memory Clock
800 MHz
Memory
1024MB
Memory Size
512MB
DDR3
Memory Type
GDDR3
64bit
Memory Bus
64bit
16.00GB/s
Bandwidth
12.80GB/s
Render Config
-
SM Count
2
6
Compute Units
-
384
Shading Units
16
24
TMUs
8
8
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
32 KB
Theoretical Performance
5.720 GPixel/s
Pixel Rate
2.424 GPixel/s
17.16 GTexel/s
Texture Rate
4.848 GTexel/s
-
FP16 (half)
-
549.1 GFLOPS
FP32 (float)
38.78 GFLOPS
34.32 GFLOPS
FP64 (double)
-
Graphics Processor
Opal
GPU Name
GT218
Opal PRO
GPU Variant
-
GCN 1.0
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
0.95 billion
Transistors
0.26 billion
77 mm²
Die Size
57 mm²
Board Design
Unknown
TDP
14W
-
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-
Graphics Features
12 (11_1)
DirectX
11.1 (10_1)
4.6
OpenGL
3.3
2.1 (1.2)
OpenCL
1.1
1.2.170
Vulkan
N/A
-
CUDA
1.2
6.5 (5.1)
Shader Model
4.1
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