NVIDIA GeForce GTX 680M vs AMD Radeon HD 7790
GPU · Specs Compare
Graphics Card
Release Date
Jun 2012
Mar 2013
Generation
GeForce 600M
Southern Islands
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Base Clock
719 MHz
—
Boost Clock
758 MHz
—
Memory Clock
900 MHz
1500 MHz
Memory
Memory Size
4GB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
115.2GB/s
96.00GB/s
Render Config
Shading Units
1344
896
TMUs
112
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
21.22 GPixel/s
16.00 GPixel/s
Texture Rate
84.90 GTexel/s
56.00 GTexel/s
FP32 (float)
2.038 TFLOPS
1.792 TFLOPS
FP64 (double)
84.90 GFLOPS
112.0 GFLOPS
Graphics Processor
GPU Name
GK104
Bonaire
GPU Variant
N13E-GTX-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
100W
85W
Outputs
No outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
1x 6-pin
Suggested PSU
—
250 W
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
Blender
189
—
3DMark Time Spy
—
1,307
3DMark Time Spy Extreme
—
409
▲ Specs Compare
Data sourced from official specifications and benchmark tests.