GPU Comparison
RADEON
AMD Radeon Pro 555
CORE STATE
Polaris 21
VRAM
2 GB
CLOCK SPEED
—
TDP
75 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2017
VS
RADEON
Radeon VII
CORE STATE
Vega 20
VRAM
16 GB
CLOCK SPEED
1750 MHz
TDP
295 W
BUS WIDTH
4096 bit
ARCHITECTURE
GCN 5.1
PROCESS
7 nm
LAUNCH DATE
2019
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 555
VII
Core Specs
Shading Units
768
3,840
+400.0%
Shaders
768
3,840
+400.0%
TMUs
48
240
+400.0%
ROPs
16
64
+300.0%
Compute Units
12
60
+400.0%
Clocks
Base Clock
—
1400 MHz
Boost Clock
—
1750 MHz
GPU Clock
850 MHz
—
Memory Clock
1275 MHz
5.1 Gbps effective
1000 MHz
2 Gbps effective
Memory
Memory Size
2 GB
16 GB
VRAM (MB)
2,048
16,384
+700.0%
Memory Type
GDDR5
HBM2
Memory Bus
128 bit
4096 bit
Bandwidth
81.60 GB/s
1.02 TB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
1024 KB
4 MB
Performance
Pixel Rate
13.60 GPixel/s
112.0 GPixel/s
Texture Rate
40.80 GTexel/s
420.0 GTexel/s
FP32 (TFLOPS)
1,305.6 GFLOPS
13.44 TFLOPS
FP64 (TFLOPS)
81.60 GFLOPS (1:16)
3.360 TFLOPS (1:4)
FP16 (TFLOPS)
1,305.6 GFLOPS (1:1)
26.88 TFLOPS (2:1)
Power
TDP
75 W
295 W
TDP (W)
75
295
+293.3%
Suggested PSU
—
600 W
Power Connectors
None
2x 8-pin
Architecture
Architecture
GCN 4.0
GCN 5.1
GPU Name
Polaris 21
Vega 20
Generation
Radeon Pro Mac
(500 Series)
Vega II
(Radeon VII)
Process Size
14 nm
7 nm
Transistors
3,000 million
13,230 million
Die Size
123 mm²
331 mm²
Foundry
GlobalFoundries
TSMC
Density
24.4M / mm²
40.0M / mm²
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.3
1.3
OpenCL
2.1
2.1
Shader Model
6.7
6.7
Physical
Slot Width
IGP
Dual-slot
Length
—
280 mm
11 inches
Height
—
125 mm
4.9 inches
Outputs
Portable Device Dependent
1x HDMI 2.0b3x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Launch Price
—
699 USD
Production
End-of-life
End-of-life
Predecessor
—
Vega
Successor
—
Navi