GPU Comparison
RADEON
AMD Radeon 550X
CORE STATE
Lexa
VRAM
2 GB
CLOCK SPEED
1218 MHz
TDP
50 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2019
VS
GEFORCE
Tesla K20Xm
CORE STATE
GK110
VRAM
6 GB
CLOCK SPEED
—
TDP
235 W
BUS WIDTH
384 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
550X
Tesla K20Xm
Core Specs
Shading Units
512
2,688
+425.0%
Shaders
512
2,688
+425.0%
TMUs
32
224
+600.0%
ROPs
16
48
+200.0%
Compute Units
8
—
Clocks
Base Clock
1082 MHz
—
Boost Clock
1218 MHz
—
GPU Clock
—
732 MHz
Memory Clock
1750 MHz
7 Gbps effective
1300 MHz
5.2 Gbps effective
Memory
Memory Size
2 GB
6 GB
VRAM (MB)
2,048
6,144
+200.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
384 bit
Bandwidth
112.0 GB/s
249.6 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
1536 KB
Performance
Pixel Rate
19.49 GPixel/s
40.99 GPixel/s
Texture Rate
38.98 GTexel/s
164.0 GTexel/s
FP32 (TFLOPS)
1,247.2 GFLOPS
3.935 TFLOPS
FP64 (TFLOPS)
77.95 GFLOPS (1:16)
1,311.7 GFLOPS (1:3)
FP16 (TFLOPS)
1,247.2 GFLOPS (1:1)
—
Power
TDP
50 W
235 W
TDP (W)
50
235
+370.0%
Suggested PSU
250 W
550 W
Power Connectors
None
—
Architecture
Architecture
GCN 4.0
Kepler
GPU Name
Lexa
GK110
Generation
Polaris
(RX 500X)
Tesla Kepler
(Kxx)
Process Size
14 nm
28 nm
Transistors
2,200 million
7,080 million
Die Size
103 mm²
561 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
12.6M / mm²
API Support
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.3
1.2.175
OpenCL
2.1
3.0
CUDA
—
3.5
Shader Model
6.7
6.5 (5.1)
Physical
Slot Width
Dual-slot
Dual-slot
Length
145 mm
5.7 inches
267 mm
10.5 inches
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
No outputs
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Launch Price
—
7,699 USD
Production
End-of-life
End-of-life
Predecessor
Polaris
Tesla Fermi
Successor
Vega
Tesla Maxwell