AMD Radeon HD 7950 vs NVIDIA GeForce GTX 680M
GPU Specs Compare
Graphics Card
Release Date
Jan 2012
Jun 2012
Generation
Southern Islands
GeForce 600M
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Memory Clock
1250 MHz
900 MHz
Base Clock
-
719 MHz
Boost Clock
-
758 MHz
Memory
Memory Size
3GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
240.0GB/s
115.2GB/s
Render Config
Compute Units
28
-
Shading Units
1792
1344
TMUs
112
112
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
768 KB
512 KB
Theoretical Performance
Pixel Rate
25.60 GPixel/s
21.22 GPixel/s
Texture Rate
89.60 GTexel/s
84.90 GTexel/s
FP32 (float)
2.867 TFLOPS
2.038 TFLOPS
FP64 (double)
716.8 GFLOPS
84.90 GFLOPS
Graphics Processor
GPU Name
Tahiti
GK104
GPU Variant
Tahiti PRO(215-0821056)
N13E-GTX-A2
Architecture
GCN 1.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
4.313 billion
3.54 billion
Die Size
352 mm²
294 mm²
Board Design
TDP
200W
100W
Suggested PSU
550 W
-
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Power Connectors
2x 6-pin
None
Graphics Features
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.1
Shader Model
5.1
5.1
CUDA
-
3.0
📊 Benchmark
3DMark Time Spy
1,969
-
3DMark Time Spy Extreme
1,019
-
Blender
-
189