NVIDIA GeForce GT 820M vs AMD Radeon E6465
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 820M and 2GB VRAM Radeon E6465 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 820M 's Advantages
Lower TDP (15W vs 25W)
AMD Radeon E6465 's Advantages
Released 1 years and 10 months late
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (25.60GB/s vs 14.40GB/s)
64 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 820M
+55%
0.298 TFLOPS
Radeon E6465
0.192 TFLOPS
Graphics Card
Nov 2013
Release Date
Sep 2015
GeForce 800M
Generation
Embedded
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
900 MHz
Memory Clock
800 MHz
Memory
1024MB
Memory Size
2GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
64bit
14.40GB/s
Bandwidth
25.60GB/s
Render Config
-
Compute Units
2
2
SM Count
-
96
Shading Units
160
16
TMUs
8
8
ROPs
4
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
8 KB (per CU)
128 KB
L2 Cache
128 KB
-
-
-
Theoretical Performance
3.100 GPixel/s
Pixel Rate
2.400 GPixel/s
12.40 GTexel/s
Texture Rate
4.800 GTexel/s
-
-
-
297.6 GFLOPS
FP32 (float)
192.0 GFLOPS
24.80 GFLOPS
FP64 (double)
-
Board Design
15W
TDP
25W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GF117
GPU Name
Caicos
N15V-GM
GPU Variant
-
Fermi 2.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
0.585 billion
Transistors
0.37 billion
116 mm²
Die Size
67 mm²
Graphics Features
12 (11_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.1
OpenCL
1.2
N/A
Vulkan
N/A
2.1
CUDA
-
5.1
Shader Model
5.0
