AMD Radeon HD 6490M Mac Edition vs NVIDIA GeForce 825M
We compared two Mobile platform GPUs: 256MB VRAM Radeon HD 6490M Mac Edition and 1024MB VRAM GeForce 825M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6490M Mac Edition 's Advantages
Larger VRAM bandwidth (25.41GB/s vs 14.40GB/s)
NVIDIA GeForce 825M 's Advantages
Released 2 years and 8 months late
Boost Clock941MHz
More VRAM (1024GB vs 256GB)
224 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 6490M Mac Edition
0.24 TFLOPS
GeForce 825M
+201%
0.723 TFLOPS
Graphics Card
May 2011
Release Date
Jan 2014
Vancouver
Generation
GeForce 800M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
850 MHz
-
Boost Clock
941 MHz
794 MHz
Memory Clock
900 MHz
Memory
256MB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
64bit
Memory Bus
64bit
25.41GB/s
Bandwidth
14.40GB/s
Render Config
2
Compute Units
-
-
-
-
160
Shading Units
384
8
TMUs
32
4
ROPs
8
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per SMX)
128 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
3.000 GPixel/s
Pixel Rate
7.528 GPixel/s
6.000 GTexel/s
Texture Rate
30.11 GTexel/s
-
-
-
240.0 GFLOPS
FP32 (float)
722.7 GFLOPS
-
FP64 (double)
30.11 GFLOPS
Board Design
Unknown
TDP
33W
-
-
-
Portable Device Dependent
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
Seymour
GPU Name
GK208
Seymour XTX M2
(216-0809000)
GPU Variant
-
TeraScale 2
Architecture
Kepler 2.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.37 billion
Transistors
1.02 billion
67 mm²
Die Size
87 mm²
Graphics Features
11.2 (11_0)
DirectX
12 (11_0)
4.4
OpenGL
4.6
1.2
OpenCL
3.0
N/A
Vulkan
1.1
-
CUDA
3.5
5.0
Shader Model
5.1
