GeForce GTX 680MX Mac Edition vs Radeon E4690 MXM
We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 680MX Mac Edition and 512MB VRAM Radeon E4690 MXM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 680MX Mac Edition 's Advantages
Released 3 years and 4 months late
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (160.0GB/s vs 22.40GB/s)
1216 additional rendering cores
Radeon E4690 MXM 's Advantages
Lower TDP (30W vs 122W)
Score
Benchmark
FP32 (float)
GeForce GTX 680MX Mac Edition
+475%
2209
Radeon E4690 MXM
384
Graphics Card
Oct 2012
Release Date
Jun 2009
GeForce 600M
Generation
Embedded
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-II
Clock Speeds
1250 MHz
Memory Clock
700 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
128bit
160.0GB/s
Bandwidth
22.40GB/s
Render Config
-
Compute Units
4
1536
Shading Units
320
128
TMUs
32
32
ROPs
8
16 KB (per SMX)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
128 KB
Theoretical Performance
23.01 GPixel/s
Pixel Rate
4.800 GPixel/s
92.03 GTexel/s
Texture Rate
19.20 GTexel/s
2.209 TFLOPS
FP32 (float)
384.0 GFLOPS
92.03 GFLOPS
FP64 (double)
-
Board Design
122W
TDP
30W
No outputs
Outputs
No outputs
Graphics Processor
GK104
GPU Name
RV730
N13E-GTX2-A2
GPU Variant
RV730 XT E4690
(215-0729055)
Kepler
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
3.54 billion
Transistors
0.514 billion
294 mm²
Die Size
146 mm²
Graphics Features
12 (11_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
4.1