AMD Radeon VII vs NVIDIA GeForce GTX 660 Ti
GPU Specs Compare
Graphics Card
Release Date
Feb 2019
Aug 2012
Generation
Vega II
GeForce 600
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1400 MHz
915 MHz
Boost Clock
1750 MHz
980 MHz
Memory Clock
1000 MHz
1502 MHz
Memory
Memory Size
16GB
2GB
Memory Type
HBM2
GDDR5
Memory Bus
4096bit
192bit
Bandwidth
1020GB/s
144.2GB/s
Render Config
Compute Units
60
-
Shading Units
3840
1344
TMUs
240
112
ROPs
64
24
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
4 MB
384 KB
Theoretical Performance
Pixel Rate
112.0 GPixel/s
27.44 GPixel/s
Texture Rate
420.0 GTexel/s
109.8 GTexel/s
FP16 (half)
26.88 TFLOPS
-
FP32 (float)
13.44 TFLOPS
2.634 TFLOPS
FP64 (double)
3.360 TFLOPS
109.8 GFLOPS
Graphics Processor
GPU Name
Vega 20
GK104
GPU Variant
Vega 20 XT
GK104-300-KD-A2
Architecture
GCN 5.1
Kepler
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
13.23 billion
3.54 billion
Die Size
331 mm²
294 mm²
Board Design
TDP
295W
150W
Suggested PSU
600 W
450 W
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
2x 8-pin
2x 6-pin
Graphics Features
DirectX
12 (12_1)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.3
1.1
Shader Model
6.7
5.1
CUDA
-
3.0
📊 Benchmark
3DMark Time Spy
8,923
-
3DMark Time Spy Extreme
4,374
-
Blender
772
-