AMD Radeon HD 8950 OEM vs NVIDIA GeForce GTX 680MX Mac Edition
GPU Specs Compare
Graphics Card
Release Date
Jan 2013
Oct 2012
Generation
Sea Islands
GeForce 600M
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
850 MHz
-
Boost Clock
925 MHz
-
Memory Clock
1250 MHz
1250 MHz
Memory
Memory Size
3GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
240.0GB/s
160.0GB/s
Render Config
Compute Units
28
-
Shading Units
1792
1536
TMUs
112
128
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
768 KB
512 KB
Theoretical Performance
Pixel Rate
29.60 GPixel/s
23.01 GPixel/s
Texture Rate
103.6 GTexel/s
92.03 GTexel/s
FP32 (float)
3.315 TFLOPS
2.209 TFLOPS
FP64 (double)
828.8 GFLOPS
92.03 GFLOPS
Graphics Processor
GPU Name
Tahiti
GK104
GPU Variant
Tahiti PRO(215-0821056)
N13E-GTX2-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
122W
Suggested PSU
550 W
-
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Power Connectors
2x 6-pin
-
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