NVIDIA GeForce 840M vs AMD Radeon HD 7470A
We compared two Mobile platform GPUs: 2GB VRAM GeForce 840M and 512MB VRAM Radeon HD 7470A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 840M 's Advantages
Released 2 years and 2 months late
Boost Clock1124MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (16.02GB/s vs 12.80GB/s)
224 additional rendering cores
AMD Radeon HD 7470A 's Advantages
Lower TDP (25W vs 33W)
Score
Benchmark
FP32 (float)
GeForce 840M
+331%
0.863 TFLOPS
Radeon HD 7470A
0.2 TFLOPS
Graphics Card
Mar 2014
Release Date
Jan 2012
GeForce 800M
Generation
All-In-One
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
MXM-A (3.0)
Clock Speeds
1029 MHz
Base Clock
-
1124 MHz
Boost Clock
-
1001 MHz
Memory Clock
800 MHz
Memory
2GB
Memory Size
512MB
DDR3
Memory Type
GDDR3
64bit
Memory Bus
64bit
16.02GB/s
Bandwidth
12.80GB/s
Render Config
-
Compute Units
2
-
-
-
384
Shading Units
160
16
TMUs
8
8
ROPs
4
-
-
-
-
-
-
64 KB (per SMM)
L1 Cache
8 KB (per CU)
1024 KB
L2 Cache
128 KB
-
-
-
Theoretical Performance
8.992 GPixel/s
Pixel Rate
2.500 GPixel/s
17.98 GTexel/s
Texture Rate
5.000 GTexel/s
-
-
-
863.2 GFLOPS
FP32 (float)
200.0 GFLOPS
26.98 GFLOPS
FP64 (double)
-
Board Design
33W
TDP
25W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GM108
GPU Name
Caicos
N15S-GT
GPU Variant
-
Maxwell
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
Unknown
Transistors
0.37 billion
Unknown
Die Size
67 mm²
Graphics Features
12 (11_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.3
Vulkan
N/A
5.0
CUDA
-
5.1
Shader Model
5.0
