NVIDIA GeForce GTX 675MX Mac Edition vs AMD Radeon HD 7970 X2
GPU Specs Compare
Graphics Card
Release Date
Apr 2013
Aug 2012
Generation
GeForce 600M
Southern Islands
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1250 MHz
1375 MHz
Memory
Memory Size
1024MB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
384bit
Bandwidth
160.0GB/s
264.0GB/s
Render Config
Shading Units
1344
2048
TMUs
112
128
ROPs
32
32
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
512 KB
768 KB
Compute Units
-
32
Theoretical Performance
Pixel Rate
20.13 GPixel/s
29.60 GPixel/s
Texture Rate
80.53 GTexel/s
118.4 GTexel/s
FP32 (float)
1.933 TFLOPS
3.789 TFLOPS
FP64 (double)
80.53 GFLOPS
947.2 GFLOPS
Graphics Processor
GPU Name
GK104
New Zealand
GPU Variant
N13E-GSR-A2
-
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
500W
Outputs
No outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Suggested PSU
-
900 W
Power Connectors
-
3x 8-pin
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