NVIDIA GeForce GTX 670 vs AMD Radeon R9 M390 Mac Edition
GPU · Specs Compare
Graphics Card
Release Date
May 2012
May 2015
Generation
GeForce 600
Crystal System
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
915 MHz
—
Boost Clock
980 MHz
—
Memory Clock
1502 MHz
1365 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
192.3GB/s
174.7GB/s
Render Config
Shading Units
1344
1024
TMUs
112
64
ROPs
32
32
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Compute Units
—
16
Theoretical Performance
Pixel Rate
27.44 GPixel/s
30.66 GPixel/s
Texture Rate
109.8 GTexel/s
61.31 GTexel/s
FP32 (float)
2.634 TFLOPS
1.962 TFLOPS
FP64 (double)
109.8 GFLOPS
122.6 GFLOPS
Graphics Processor
GPU Name
GK104
Pitcairn
GPU Variant
GK104-325-A2
Pitcairn PRO(215-0828062)
Architecture
Kepler
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
3.54 billion
2.8 billion
Die Size
294 mm²
212 mm²
Board Design
TDP
170W
80W
Suggested PSU
450 W
—
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
2x 6-pin
None
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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.