NVIDIA GeForce GTX 670 vs AMD Radeon R9 390 X2
GPU Specs Compare
Graphics Card
Release Date
May 2012
Sep 2015
Generation
GeForce 600
Pirate Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
915 MHz
-
Boost Clock
980 MHz
-
Memory Clock
1502 MHz
1350 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
512bit
Bandwidth
192.3GB/s
345.6GB/s
Render Config
Shading Units
1344
2560
TMUs
112
160
ROPs
32
64
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
512 KB
1024 KB
Compute Units
-
40
Theoretical Performance
Pixel Rate
27.44 GPixel/s
64.00 GPixel/s
Texture Rate
109.8 GTexel/s
160.0 GTexel/s
FP32 (float)
2.634 TFLOPS
5.120 TFLOPS
FP64 (double)
109.8 GFLOPS
640.0 GFLOPS
Graphics Processor
GPU Name
GK104
Grenada
GPU Variant
GK104-325-A2
Grenada PRO(215-0880030)
Architecture
Kepler
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
3.54 billion
6.2 billion
Die Size
294 mm²
438 mm²
Board Design
TDP
170W
580W
Suggested PSU
450 W
950 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
2x 6-pin
4x 8-pin
Graphics Features
DirectX
12 (11_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.1
1.2
CUDA
3.0
-
Shader Model
5.1
6.3