NVIDIA GeForce GTX 680M vs AMD Radeon HD 7950 Boost
GPU · Specs Compare
Graphics Card
Release Date
Jun 2012
Jun 2012
Generation
GeForce 600M
Southern Islands
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Base Clock
719 MHz
850 MHz
Boost Clock
758 MHz
925 MHz
Memory Clock
900 MHz
1250 MHz
Memory
Memory Size
4GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
384bit
Bandwidth
115.2GB/s
240.0GB/s
Render Config
Shading Units
1344
1792
TMUs
112
112
ROPs
32
32
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
512 KB
768 KB
Compute Units
—
28
Theoretical Performance
Pixel Rate
21.22 GPixel/s
29.60 GPixel/s
Texture Rate
84.90 GTexel/s
103.6 GTexel/s
FP32 (float)
2.038 TFLOPS
3.315 TFLOPS
FP64 (double)
84.90 GFLOPS
828.8 GFLOPS
Graphics Processor
GPU Name
GK104
Tahiti
GPU Variant
N13E-GTX-A2
Tahiti PRO2(215-0821282)
Architecture
Kepler
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
3.54 billion
4.313 billion
Die Size
294 mm²
352 mm²
Board Design
TDP
100W
200W
Outputs
No outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
2x 6-pin
Suggested PSU
—
550 W
Graphics Features
DirectX
12 (11_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.1
1.2
CUDA
3.0
—
Shader Model
5.1
5.1
Benchmark
Blender
189
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.