
Radeon HD 7790 and GeForce GTX 680M - video card comparison
Passmark - benchmark score Radeon HD 7790 vs GeForce GTX 680M
Radeon HD 7790
3183
GeForce GTX 680M
3312
Radeon HD 7790
GeForce GTX 680M
Architecture
GCN 2.0 (2013−2017)
Kepler (2012−2018)
GPU code name
Bonaire
N13E-GTX
Market segment
Desktop
Laptop
Release date
March 2013
June 2012
Bus support
-
PCI Express 3.0
Interface
PCIe 3.0 x16
MXM-B (3.0)
Supplementary power connectors
1x 6-pin
None
SLI options
-
+
Boost clock speed
-
758 MHz
Core clock speed
1000 MHz
720 MHz
CUDA cores
-
1344
Floating-point performance
1,792 gflops
2,038 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,080 million
3,540 million
Pipelines / CUDA cores
896
1344
Power consumption (TDP)
85 Watt
100 Watt
Texture fill rate
56.00
80.6 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
4 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
6000 MHz
1800 MHz
Memory bandwidth
96 GB/s
115.2 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
HDMI
+
-
DirectX
12 (12_0)
12 API
CUDA
-
+
OpenCL
2.0
1.1
OpenGL
4.6
4.5
Shader Model
6.3
5.1
Vulkan
1.2.131
1.1.126
Optimus
-
+