NVIDIA GeForce GT 820M vs AMD Radeon R7 M265
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 820M and 2GB VRAM Radeon R7 M265 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R7 M265 's Advantages
Boost Clock825MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)
288 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 820M
0.298 TFLOPS
Radeon R7 M265
+112%
0.633 TFLOPS
Graphics Card
Nov 2013
Release Date
Jan 2014
GeForce 800M
Generation
Gem System
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
725 MHz
-
Boost Clock
825 MHz
900 MHz
Memory Clock
900 MHz
Memory
1024MB
Memory Size
2GB
DDR3
Memory Type
DDR3
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
28.80GB/s
Render Config
-
Compute Units
6
2
SM Count
-
96
Shading Units
384
16
TMUs
24
8
ROPs
8
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
3.100 GPixel/s
Pixel Rate
6.600 GPixel/s
12.40 GTexel/s
Texture Rate
19.80 GTexel/s
-
-
-
297.6 GFLOPS
FP32 (float)
633.6 GFLOPS
24.80 GFLOPS
FP64 (double)
-
Board Design
15W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
-
-
-
Graphics Processor
GF117
GPU Name
Opal
N15V-GM
GPU Variant
Opal XT
Fermi 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
0.585 billion
Transistors
0.95 billion
116 mm²
Die Size
77 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
1.1
OpenCL
2.1 (1.2)
N/A
Vulkan
1.2.170
2.1
CUDA
-
5.1
Shader Model
6.5 (5.1)
