GPU Comparison
RADEON
AMD Radeon Pro 555X
CORE STATE
Polaris 21
VRAM
4 GB
CLOCK SPEED
—
TDP
75 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2018
VS
GEFORCE
CMP 40HX
CORE STATE
TU106
VRAM
8 GB
CLOCK SPEED
1650 MHz
TDP
185 W
BUS WIDTH
256 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 555X
CMP 40HX
Core Specs
Shading Units
768
2,304
+200.0%
Shaders
768
2,304
+200.0%
TMUs
48
144
+200.0%
ROPs
16
64
+300.0%
Compute Units
12
—
SM Count
—
36
Clocks
Base Clock
—
1470 MHz
Boost Clock
—
1650 MHz
GPU Clock
907 MHz
—
Memory Clock
1470 MHz
5.9 Gbps effective
1750 MHz
14 Gbps effective
Memory
Memory Size
4 GB
8 GB
VRAM (MB)
4,096
8,192
+100.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
256 bit
Bandwidth
94.08 GB/s
448.0 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
1024 KB
4 MB
Performance
Pixel Rate
14.51 GPixel/s
105.6 GPixel/s
Texture Rate
43.54 GTexel/s
237.6 GTexel/s
FP32 (TFLOPS)
1,393.2 GFLOPS
7.603 TFLOPS
FP64 (TFLOPS)
87.07 GFLOPS (1:16)
237.6 GFLOPS (1:32)
FP16 (TFLOPS)
1,393.2 GFLOPS (1:1)
15.21 TFLOPS (2:1)
AI/RT
RT Cores
—
36
Tensor Cores
—
288
Power
TDP
75 W
185 W
TDP (W)
75
185
+146.7%
Suggested PSU
—
450 W
Power Connectors
None
1x 8-pin
Architecture
Architecture
GCN 4.0
Turing
GPU Name
Polaris 21
TU106
Generation
Radeon Pro Mac
(500X Series)
Mining GPUs
Process Size
14 nm
12 nm
Transistors
3,000 million
10,800 million
Die Size
123 mm²
445 mm²
Foundry
GlobalFoundries
TSMC
Density
24.4M / mm²
24.3M / mm²
API Support
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
3.0
CUDA
—
7.5
Shader Model
6.7
6.8
Physical
Slot Width
IGP
Dual-slot
Length
—
229 mm
9 inches
Height
—
111 mm
4.4 inches
Outputs
Portable Device Dependent
No outputs
Bus Interface
PCIe 3.0 x8
PCIe 1.0 x4
Other
Launch Price
—
699 USD
Production
End-of-life
End-of-life