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
GeForce GTX 980 Ti
CORE STATE
GM200
VRAM
6 GB
CLOCK SPEED
1076 MHz
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
RX 550X
GTX 980 Ti
Core Specs
Shading Units
512
2,816
+450.0%
Shaders
512
2,816
+450.0%
TMUs
32
176
+450.0%
ROPs
16
96
+500.0%
Compute Units
8
—
Clocks
Base Clock
1100 MHz
1000 MHz
Boost Clock
1183 MHz
1076 MHz
Memory Clock
1500 MHz
6 Gbps effective
1753 MHz
7 Gbps effective
Memory
Memory Size
4 GB
6 GB
VRAM (MB)
4,096
6,144
+50.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
384 bit
Bandwidth
96.00 GB/s
336.6 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SMM)
L2 Cache
512 KB
3 MB
Performance
Pixel Rate
18.93 GPixel/s
103.3 GPixel/s
Texture Rate
37.86 GTexel/s
189.4 GTexel/s
FP32 (TFLOPS)
1,211.4 GFLOPS
6.060 TFLOPS
FP64 (TFLOPS)
75.71 GFLOPS (1:16)
189.4 GFLOPS (1:32)
FP16 (TFLOPS)
1,211.4 GFLOPS (1:1)
—
Power
TDP
50 W
250 W
TDP (W)
50
250
+400.0%
Suggested PSU
250 W
600 W
Power Connectors
None
1x 6-pin + 1x 8-pin
Architecture
Architecture
GCN 4.0
Maxwell 2.0
GPU Name
Lexa
GM200
Generation
Polaris
(RX 500X)
GeForce 900
Process Size
14 nm
28 nm
Transistors
2,200 million
8,000 million
Die Size
103 mm²
601 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
13.3M / 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
—
5.2
Shader Model
6.7
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
145 mm
5.7 inches
267 mm
10.5 inches
Height
—
111 mm
4.4 inches
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
1x DVI1x HDMI 2.03x DisplayPort 1.2
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Launch Price
—
649 USD
Production
End-of-life
End-of-life
Predecessor
Polaris
GeForce 700
Successor
Vega
GeForce 10