Home GPU Comparison NVIDIA GeForce 840M vs AMD Radeon R5 A230

NVIDIA GeForce 840M vs AMD Radeon R5 A230

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840M and 4GB VRAM Radeon R5 A230 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840M 's Advantages
Boost Clock has increased by 31% (1124MHz vs 855MHz)
Larger VRAM bandwidth (16.02GB/s vs 16.00GB/s)
64 additional rendering cores
AMD Radeon R5 A230 's Advantages
More VRAM (4GB vs 2GB)

Score

Benchmark

FP32 (float)
GeForce 840M +57%
0.863 TFLOPS
Radeon R5 A230
0.547 TFLOPS
VS

Graphics Card

Mar 2014
Release Date
Jan 2014
GeForce 800M
Generation
All-In-One
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x8

Clock Speeds

1029 MHz
Base Clock
780 MHz
1124 MHz
Boost Clock
855 MHz
1001 MHz
Memory Clock
1000 MHz

Memory

2GB
Memory Size
4GB
DDR3
Memory Type
DDR3
64bit
Memory Bus
64bit
16.02GB/s
Bandwidth
16.00GB/s

Render Config

-
SM Count
-
-
Compute Units
5
384
Shading Units
320
16
TMUs
20
8
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
64 KB (per SMM)
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
128 KB

Theoretical Performance

8.992 GPixel/s
Pixel Rate
6.840 GPixel/s
17.98 GTexel/s
Texture Rate
17.10 GTexel/s
-
FP16 (half)
-
863.2 GFLOPS
FP32 (float)
547.2 GFLOPS
26.98 GFLOPS
FP64 (double)
34.20 GFLOPS

Graphics Processor

GM108
GPU Name
Jet
N15S-GT
GPU Variant
Jet PRO (216-0856040)
Maxwell
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
Unknown
Transistors
0.69 billion
Unknown
Die Size
56 mm²

Board Design

33W
TDP
Unknown
-
Suggested PSU
-
No outputs
Outputs
Portable Device Dependent
-
Power Connectors
-

Graphics Features

12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
2.1 (1.2)
1.3
Vulkan
1.2.170
5.0
CUDA
-
5.1
Shader Model
6.5 (5.1)

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