GPU Comparison
RADEON
AMD Radeon RX 550X
CORE STATE
Lexa
VRAM
4 GB
CLOCK SPEED
1183 MHz
TDP
50 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2018
VS
GEFORCE
Tesla K40c
CORE STATE
GK180
VRAM
12 GB
CLOCK SPEED
876 MHz
TDP
245 W
BUS WIDTH
384 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
RX 550X
Tesla K40c
Core Specs
Shading Units
512
2,880
+462.5%
Shaders
512
2,880
+462.5%
TMUs
32
240
+650.0%
ROPs
16
48
+200.0%
Compute Units
8
—
Clocks
Base Clock
1100 MHz
745 MHz
Boost Clock
1183 MHz
876 MHz
Memory Clock
1500 MHz
6 Gbps effective
1502 MHz
6 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
96.00 GB/s
288.4 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
1536 KB
Performance
Pixel Rate
18.93 GPixel/s
52.56 GPixel/s
Texture Rate
37.86 GTexel/s
210.2 GTexel/s
FP32 (TFLOPS)
1,211.4 GFLOPS
5.046 TFLOPS
FP64 (TFLOPS)
75.71 GFLOPS (1:16)
1.682 TFLOPS (1:3)
FP16 (TFLOPS)
1,211.4 GFLOPS (1:1)
—
Power
TDP
50 W
245 W
TDP (W)
50
245
+390.0%
Suggested PSU
250 W
550 W
Power Connectors
None
1x 6-pin + 1x 8-pin
Architecture
Architecture
GCN 4.0
Kepler
GPU Name
Lexa
GK180
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
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