Home GPU Comparison NVIDIA GeForce GT 650M vs AMD Radeon HD 6490M Mac Edition

NVIDIA GeForce GT 650M vs AMD Radeon HD 6490M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 650M and 256MB VRAM Radeon HD 6490M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 650M 's Advantages
Released 10 months late
Boost Clock950MHz
More VRAM (1024GB vs 256GB)
Larger VRAM bandwidth (28.80GB/s vs 25.41GB/s)
224 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GT 650M +204%
0.73 TFLOPS
Radeon HD 6490M Mac Edition
0.24 TFLOPS
VS

Graphics Card

Mar 2012
Release Date
May 2011
GeForce 600M
Generation
Vancouver
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

835 MHz
Base Clock
-
950 MHz
Boost Clock
-
900 MHz
Memory Clock
794 MHz

Memory

1024MB
Memory Size
256MB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
64bit
28.80GB/s
Bandwidth
25.41GB/s

Render Config

-
Compute Units
2
-
-
-
384
Shading Units
160
32
TMUs
8
16
ROPs
4
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

7.600 GPixel/s
Pixel Rate
3.000 GPixel/s
30.40 GTexel/s
Texture Rate
6.000 GTexel/s
-
-
-
729.6 GFLOPS
FP32 (float)
240.0 GFLOPS
30.40 GFLOPS
FP64 (double)
-

Board Design

45W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
-
-
-

Graphics Processor

GK107
GPU Name
Seymour
N13P-GT-A2
GPU Variant
Seymour XTX M2 (216-0809000)
Kepler
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.27 billion
Transistors
0.37 billion
118 mm²
Die Size
67 mm²

Graphics Features

12 (11_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
5.0

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