Radeon RX 460 Mobile vs GeForce GT 820M
We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 460 Mobile and 1024MB VRAM GeForce GT 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 460 Mobile 's Advantages
Released 2 years and 9 months late
Boost Clock1180MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (80.00GB/s vs 14.40GB/s)
800 additional rendering cores
GeForce GT 820M 's Advantages
Lower TDP (15W vs 55W)
Score
Benchmark
FP32 (float)
Radeon RX 460 Mobile
+609%
2115
GeForce GT 820M
298
Graphics Card
Aug 2016
Release Date
Nov 2013
Mobility Radeon
Generation
GeForce 800M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x16
Clock Speeds
1000 MHz
Base Clock
-
1180 MHz
Boost Clock
-
1250 MHz
Memory Clock
900 MHz
Memory
4GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
64bit
80.00GB/s
Bandwidth
14.40GB/s
Render Config
14
Compute Units
-
-
SM Count
2
896
Shading Units
96
56
TMUs
16
16
ROPs
8
16 KB (per CU)
L1 Cache
64 KB (per SM)
1024 KB
L2 Cache
128 KB
Theoretical Performance
18.88 GPixel/s
Pixel Rate
3.100 GPixel/s
66.08 GTexel/s
Texture Rate
12.40 GTexel/s
2.115 TFLOPS
FP16 (half)
-
2.115 TFLOPS
FP32 (float)
297.6 GFLOPS
132.2 GFLOPS
FP64 (double)
24.80 GFLOPS
Board Design
55W
TDP
15W
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Baffin
GPU Name
GF117
Baffin XT
GPU Variant
N15V-GM
GCN 4.0
Architecture
Fermi 2.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
3 billion
Transistors
0.585 billion
123 mm²
Die Size
116 mm²
Graphics Features
12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
2.1
6.4
Shader Model
5.1