NVIDIA GeForce GT 645M vs AMD Radeon E6460
We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 645M and 512MB VRAM Radeon E6460 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 645M 's Advantages
Released 1 years and 6 months late
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (28.80GB/s vs 25.60GB/s)
224 additional rendering cores
AMD Radeon E6460 's Advantages
Lower TDP (25W vs 32W)
Score
Benchmark
FP32 (float)
GeForce GT 645M
+183%
0.544 TFLOPS
Radeon E6460
0.192 TFLOPS
Graphics Card
Oct 2012
Release Date
Apr 2011
GeForce 600M
Generation
Embedded
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
900 MHz
Memory Clock
800 MHz
Memory
2GB
Memory Size
512MB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
64bit
28.80GB/s
Bandwidth
25.60GB/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
5.672 GPixel/s
Pixel Rate
2.400 GPixel/s
22.69 GTexel/s
Texture Rate
4.800 GTexel/s
-
-
-
544.5 GFLOPS
FP32 (float)
192.0 GFLOPS
22.69 GFLOPS
FP64 (double)
-
Board Design
32W
TDP
25W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GK107
GPU Name
Caicos
N13P-GS
GPU Variant
E6460
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
