AMD Radeon R9 M270X vs NVIDIA GeForce GTX 680 Mac Edition
GPU · Specs Compare
Graphics Card
Release Date
Feb 2015
Apr 2013
Generation
Gem System
GeForce 600
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
900 MHz
1006 MHz
Boost Clock
1000 MHz
1058 MHz
Memory Clock
1375 MHz
1502 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
256bit
Bandwidth
88.00GB/s
192.3GB/s
Render Config
Compute Units
12
—
Shading Units
768
1536
TMUs
48
128
ROPs
16
32
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
256 KB
512 KB
Theoretical Performance
Pixel Rate
16.00 GPixel/s
33.86 GPixel/s
Texture Rate
48.00 GTexel/s
135.4 GTexel/s
FP32 (float)
1.536 TFLOPS
3.250 TFLOPS
FP64 (double)
96.00 GFLOPS
135.4 GFLOPS
Graphics Processor
GPU Name
Saturn
GK104
GPU Variant
Saturn PRO(216-0843044)
GK104-400-A2
Architecture
GCN 2.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.08 billion
3.54 billion
Die Size
160 mm²
294 mm²
Board Design
TDP
Unknown
195W
Outputs
Portable Device Dependent
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Suggested PSU
—
450 W
Power Connectors
—
2x 6-pin
Graphics Features
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.2.170
1.1
Shader Model
6.5
5.1
CUDA
—
3.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.