NVIDIA GeForce GTX 680MX Mac Edition vs AMD Radeon HD 7790
GPU Specs Compare
Graphics Card
Release Date
Oct 2012
Mar 2013
Generation
GeForce 600M
Southern Islands
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1250 MHz
1500 MHz
Memory
Memory Size
2GB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
160.0GB/s
96.00GB/s
Render Config
Shading Units
1536
896
TMUs
128
56
ROPs
32
16
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
512 KB
256 KB
Compute Units
-
14
Theoretical Performance
Pixel Rate
23.01 GPixel/s
16.00 GPixel/s
Texture Rate
92.03 GTexel/s
56.00 GTexel/s
FP32 (float)
2.209 TFLOPS
1.792 TFLOPS
FP64 (double)
92.03 GFLOPS
112.0 GFLOPS
Graphics Processor
GPU Name
GK104
Bonaire
GPU Variant
N13E-GTX2-A2
Bonaire XT(215-0839039)
Architecture
Kepler
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
3.54 billion
2.08 billion
Die Size
294 mm²
160 mm²
Board Design
TDP
122W
85W
Outputs
No outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Suggested PSU
-
250 W
Power Connectors
-
1x 6-pin
Graphics Features
DirectX
12 (11_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.1
1.2
CUDA
3.0
-
Shader Model
5.1
6.3
📊 Benchmark
3DMark Time Spy
-
1,307
3DMark Time Spy Extreme
-
409