GPU Comparison
RADEON
AMD Radeon Pro Vega II
CORE STATE
Vega 20
VRAM
32 GB
CLOCK SPEED
1720 MHz
TDP
475 W
BUS WIDTH
4096 bit
ARCHITECTURE
GCN 5.1
PROCESS
7 nm
LAUNCH DATE
2019
VS
GEFORCE
GeForce GTX 660
CORE STATE
GK106
VRAM
2 GB
CLOCK SPEED
1032 MHz
TDP
140 W
BUS WIDTH
192 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro Vega II
GTX 660
Core Specs
Shading Units
4,096
960
-76.6%
Shaders
4,096
960
-76.6%
TMUs
256
80
-68.8%
ROPs
64
24
-62.5%
Compute Units
64
—
Clocks
Base Clock
1574 MHz
980 MHz
Boost Clock
1720 MHz
1032 MHz
Memory Clock
806 MHz
1612 Mbps effective
1502 MHz
6 Gbps effective
Memory
Memory Size
32 GB
2 GB
VRAM (MB)
32,768
2,048
-93.8%
Memory Type
HBM2
GDDR5
Memory Bus
4096 bit
192 bit
Bandwidth
825.3 GB/s
144.2 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
4 MB
384 KB
Performance
Pixel Rate
110.1 GPixel/s
20.64 GPixel/s
Texture Rate
440.3 GTexel/s
82.56 GTexel/s
FP32 (TFLOPS)
14.09 TFLOPS
1.981 TFLOPS
FP64 (TFLOPS)
7.045 TFLOPS (1:2)
82.56 GFLOPS (1:24)
FP16 (TFLOPS)
28.18 TFLOPS (2:1)
—
Power
TDP
475 W
140 W
TDP (W)
475
140
-70.5%
Suggested PSU
850 W
300 W
Power Connectors
—
1x 6-pin
Architecture
Architecture
GCN 5.1
Kepler
GPU Name
Vega 20
GK106
Generation
Radeon Pro Mac
(Vega Series)
GeForce 600
Process Size
7 nm
28 nm
Transistors
13,230 million
2,540 million
Die Size
331 mm²
221 mm²
Foundry
TSMC
TSMC
Density
40.0M / mm²
11.5M / mm²
API Support
DirectX
12 (12_1)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.3
1.2.175
OpenCL
2.1
3.0
CUDA
—
3.0
Shader Model
6.7
6.5 (5.1)
Physical
Slot Width
Quad-slot
Dual-slot
Length
—
241 mm
9.5 inches
Outputs
1x HDMI 2.0b4x Thunderbolt
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Bus Interface
Apple MPX
PCIe 3.0 x16
Other
Launch Price
2,199 USD
229 USD
Production
End-of-life
End-of-life
Predecessor
—
GeForce 500
Successor
—
GeForce 700