AMD Radeon Vega 8 vs NVIDIA GeForce GTX 660 Rev. 2
GPU · Specs Compare
Graphics Card
Release Date
Jan 2021
Sep 2014
Generation
Cezanne
GeForce 600
Type
Integrated
Desktop
Bus Interface
IGP
PCIe 3.0 x16
Clock Speeds
Base Clock
300 MHz
980 MHz
Boost Clock
2000 MHz
1032 MHz
Memory Clock
System Shared
1502 MHz
Memory
Memory Size
System Shared
2GB
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
192bit
Bandwidth
System Dependent
144.2GB/s
Render Config
Compute Units
8
—
Shading Units
512
960
TMUs
32
80
ROPs
8
24
L1 Cache
—
16 KB (per SMX)
L2 Cache
—
384 KB
Theoretical Performance
Pixel Rate
16.00 GPixel/s
20.64 GPixel/s
Texture Rate
64.00 GTexel/s
82.56 GTexel/s
FP16 (half)
4.096 TFLOPS
—
FP32 (float)
2.048 TFLOPS
1.981 TFLOPS
FP64 (double)
128.0 GFLOPS
82.56 GFLOPS
Graphics Processor
GPU Name
Cezanne
GK104
Architecture
GCN 5.1
Kepler
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
9.8 billion
3.54 billion
Die Size
156 mm²
294 mm²
Board Design
TDP
45W
140W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin
Suggested PSU
—
300 W
Graphics Features
DirectX
12 (12_1)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.2
1.1
Shader Model
6.4
5.1
CUDA
—
3.0
Benchmark
3DMark Time Spy
893
—
3DMark Time Spy Extreme
423
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.