GPU Comparison
RADEON
AMD Radeon RX Vega M GL
CORE STATE
Polaris 22
VRAM
4 GB
CLOCK SPEED
1011 MHz
TDP
65 W
BUS WIDTH
1024 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2018
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_opencl
geekbench_vulkan
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
RX Vega M GL
GTX 660
Core Specs
Shading Units
1,280
960
-25.0%
Shaders
1,280
960
-25.0%
TMUs
80
80
0.0%
ROPs
32
24
-25.0%
Compute Units
20
—
Clocks
Base Clock
931 MHz
980 MHz
Boost Clock
1011 MHz
1032 MHz
Memory Clock
700 MHz
1400 Mbps effective
1502 MHz
6 Gbps effective
Memory
Memory Size
4 GB
2 GB
VRAM (MB)
4,096
2,048
-50.0%
Memory Type
HBM2
GDDR5
Memory Bus
1024 bit
192 bit
Bandwidth
179.2 GB/s
144.2 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
1024 KB
384 KB
Performance
Pixel Rate
32.35 GPixel/s
20.64 GPixel/s
Texture Rate
80.88 GTexel/s
82.56 GTexel/s
FP32 (TFLOPS)
2.588 TFLOPS
1.981 TFLOPS
FP64 (TFLOPS)
161.8 GFLOPS (1:16)
82.56 GFLOPS (1:24)
FP16 (TFLOPS)
2.588 TFLOPS (1:1)
—
Power
TDP
65 W
140 W
TDP (W)
65
140
+115.4%
Suggested PSU
—
300 W
Power Connectors
—
1x 6-pin
Architecture
Architecture
GCN 4.0
Kepler
GPU Name
Polaris 22
GK106
Generation
Vega
(Vega M)
GeForce 600
Process Size
14 nm
28 nm
Transistors
5,000 million
2,540 million
Die Size
208 mm²
221 mm²
Foundry
GlobalFoundries
TSMC
Density
24.0M / mm²
11.5M / mm²
API Support
DirectX
12 (12_0)
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
IGP
Dual-slot
Length
—
241 mm
9.5 inches
Outputs
Portable Device Dependent
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Bus Interface
IGP
PCIe 3.0 x16
Other
Launch Price
—
229 USD
Production
End-of-life
End-of-life
Predecessor
—
GeForce 500
Successor
—
GeForce 700