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 K80
CORE STATE
GK210
VRAM
12 GB
CLOCK SPEED
824 MHz
TDP
300 W
BUS WIDTH
384 bit
ARCHITECTURE
Kepler 2.0
PROCESS
28 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 555X
Tesla K80
Core Specs
Shading Units
768
2,496
+225.0%
Shaders
768
2,496
+225.0%
TMUs
48
208
+333.3%
ROPs
16
48
+200.0%
Compute Units
12
—
Clocks
Base Clock
—
562 MHz
Boost Clock
—
824 MHz
GPU Clock
907 MHz
—
Memory Clock
1470 MHz
5.9 Gbps effective
1253 MHz
5 Gbps effective
Memory
Memory Size
4 GB
12 GB
VRAM (MB)
4,096
12,288
+200.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
384 bit
Bandwidth
94.08 GB/s
240.6 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
1024 KB
1536 KB
Performance
Pixel Rate
14.51 GPixel/s
42.85 GPixel/s
Texture Rate
43.54 GTexel/s
171.4 GTexel/s
FP32 (TFLOPS)
1,393.2 GFLOPS
4.113 TFLOPS
FP64 (TFLOPS)
87.07 GFLOPS (1:16)
1,371.1 GFLOPS (1:3)
FP16 (TFLOPS)
1,393.2 GFLOPS (1:1)
—
Power
TDP
75 W
300 W
TDP (W)
75
300
+300.0%
Suggested PSU
—
700 W
Power Connectors
None
1x 8-pin
Architecture
Architecture
GCN 4.0
Kepler 2.0
GPU Name
Polaris 21
GK210
Generation
Radeon Pro Mac
(500X Series)
Tesla Kepler
(Kxx)
Process Size
14 nm
28 nm
Transistors
3,000 million
7,100 million
Die Size
123 mm²
561 mm²
Foundry
GlobalFoundries
TSMC
Density
24.4M / mm²
12.7M / mm²
API Support
DirectX
12 (12_0)
12 (11_1)
OpenGL
4.6
4.6
Vulkan
1.3
1.2.175
OpenCL
2.1
3.0
CUDA
—
3.7
Shader Model
6.7
6.5 (5.1)
Physical
Slot Width
IGP
Dual-slot
Length
—
267 mm
10.5 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 Fermi
Successor
—
Tesla Maxwell