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
T400
CORE STATE
TU117
VRAM
2 GB
CLOCK SPEED
1425 MHz
TDP
30 W
BUS WIDTH
64 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
RX 550X
T400
Core Specs
Shading Units
512
384
-25.0%
Shaders
512
384
-25.0%
TMUs
32
24
-25.0%
ROPs
16
16
0.0%
Compute Units
8
—
SM Count
—
6
Clocks
Base Clock
1100 MHz
420 MHz
Boost Clock
1183 MHz
1425 MHz
Memory Clock
1500 MHz
6 Gbps effective
1250 MHz
10 Gbps effective
Memory
Memory Size
4 GB
2 GB
VRAM (MB)
4,096
2,048
-50.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
64 bit
Bandwidth
96.00 GB/s
80.00 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
512 KB
1024 KB
Performance
Pixel Rate
18.93 GPixel/s
22.80 GPixel/s
Texture Rate
37.86 GTexel/s
34.20 GTexel/s
FP32 (TFLOPS)
1,211.4 GFLOPS
1,094.4 GFLOPS
FP64 (TFLOPS)
75.71 GFLOPS (1:16)
34.20 GFLOPS (1:32)
FP16 (TFLOPS)
1,211.4 GFLOPS (1:1)
2.189 TFLOPS (2:1)
Power
TDP
50 W
30 W
TDP (W)
50
30
-40.0%
Suggested PSU
250 W
200 W
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Turing
GPU Name
Lexa
TU117
Generation
Polaris
(RX 500X)
Quadro Turing
(Tx000)
Process Size
14 nm
12 nm
Transistors
2,200 million
4,700 million
Die Size
103 mm²
200 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
23.5M / 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
—
7.5
Shader Model
6.7
6.8
Physical
Slot Width
Dual-slot
Single-slot
Length
145 mm
5.7 inches
—
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
3x mini-DisplayPort 1.4a
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
Quadro Volta
Successor
Vega
Workstation Ampere