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