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
Tesla P4
CORE STATE
GP104
VRAM
8 GB
CLOCK SPEED
1114 MHz
TDP
75 W
BUS WIDTH
256 bit
ARCHITECTURE
Pascal
PROCESS
16 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 555X
Tesla P4
Core Specs
Shading Units
768
2,560
+233.3%
Shaders
768
2,560
+233.3%
TMUs
48
160
+233.3%
ROPs
16
64
+300.0%
Compute Units
12
—
SM Count
—
20
Clocks
Base Clock
—
886 MHz
Boost Clock
—
1114 MHz
GPU Clock
907 MHz
—
Memory Clock
1470 MHz
5.9 Gbps effective
1502 MHz
6 Gbps effective
Memory
Memory Size
4 GB
8 GB
VRAM (MB)
4,096
8,192
+100.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
256 bit
Bandwidth
94.08 GB/s
192.3 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SM)
L2 Cache
1024 KB
2 MB
Performance
Pixel Rate
14.51 GPixel/s
71.30 GPixel/s
Texture Rate
43.54 GTexel/s
178.2 GTexel/s
FP32 (TFLOPS)
1,393.2 GFLOPS
5.704 TFLOPS
FP64 (TFLOPS)
87.07 GFLOPS (1:16)
178.2 GFLOPS (1:32)
FP16 (TFLOPS)
1,393.2 GFLOPS (1:1)
89.12 GFLOPS (1:64)
Power
TDP
75 W
75 W
TDP (W)
75
75
0.0%
Suggested PSU
—
250 W
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Pascal
GPU Name
Polaris 21
GP104
Generation
Radeon Pro Mac
(500X Series)
Tesla Pascal
(Pxx)
Process Size
14 nm
16 nm
Transistors
3,000 million
7,200 million
Die Size
123 mm²
314 mm²
Foundry
GlobalFoundries
TSMC
Density
24.4M / mm²
22.9M / mm²
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
3.0
CUDA
—
6.1
Shader Model
6.7
6.8
Physical
Slot Width
IGP
Single-slot
Length
—
168 mm
6.6 inches
Outputs
Portable Device Dependent
No outputs
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
—
Tesla Maxwell
Successor
—
Tesla Volta