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
RADEON
Radeon RX 550X
CORE STATE
Lexa
VRAM
4 GB
CLOCK SPEED
1183 MHz
TDP
50 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2018
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro Vega II
RX 550X
Core Specs
Shading Units
4,096
512
-87.5%
Shaders
4,096
512
-87.5%
TMUs
256
32
-87.5%
ROPs
64
16
-75.0%
Compute Units
64
8
-87.5%
Clocks
Base Clock
1574 MHz
1100 MHz
Boost Clock
1720 MHz
1183 MHz
Memory Clock
806 MHz
1612 Mbps effective
1500 MHz
6 Gbps effective
Memory
Memory Size
32 GB
4 GB
VRAM (MB)
32,768
4,096
-87.5%
Memory Type
HBM2
GDDR5
Memory Bus
4096 bit
128 bit
Bandwidth
825.3 GB/s
96.00 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
4 MB
512 KB
Performance
Pixel Rate
110.1 GPixel/s
18.93 GPixel/s
Texture Rate
440.3 GTexel/s
37.86 GTexel/s
FP32 (TFLOPS)
14.09 TFLOPS
1,211.4 GFLOPS
FP64 (TFLOPS)
7.045 TFLOPS (1:2)
75.71 GFLOPS (1:16)
FP16 (TFLOPS)
28.18 TFLOPS (2:1)
1,211.4 GFLOPS (1:1)
Power
TDP
475 W
50 W
TDP (W)
475
50
-89.5%
Suggested PSU
850 W
250 W
Power Connectors
—
None
Architecture
Architecture
GCN 5.1
GCN 4.0
GPU Name
Vega 20
Lexa
Generation
Radeon Pro Mac
(Vega Series)
Polaris
(RX 500X)
Process Size
7 nm
14 nm
Transistors
13,230 million
2,200 million
Die Size
331 mm²
103 mm²
Foundry
TSMC
GlobalFoundries
Density
40.0M / mm²
21.4M / mm²
API Support
DirectX
12 (12_1)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.3
1.3
OpenCL
2.1
2.1
Shader Model
6.7
6.7
Physical
Slot Width
Quad-slot
Dual-slot
Length
—
145 mm
5.7 inches
Outputs
1x HDMI 2.0b4x Thunderbolt
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
Bus Interface
Apple MPX
PCIe 3.0 x8
Other
Launch Price
2,199 USD
—
Production
End-of-life
End-of-life
Predecessor
—
Polaris
Successor
—
Vega