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
RADEON
Radeon RX 9070 GRE
CORE STATE
Navi 48
VRAM
12 GB
CLOCK SPEED
2790 MHz
TDP
220 W
BUS WIDTH
192 bit
ARCHITECTURE
RDNA 4.0
PROCESS
4 nm
LAUNCH DATE
2025
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
RX 550X
RX 9070 GRE
Core Specs
Shading Units
512
3,072
+500.0%
Shaders
512
3,072
+500.0%
TMUs
32
192
+500.0%
ROPs
16
96
+500.0%
Compute Units
8
48
+500.0%
Clocks
Base Clock
1100 MHz
1420 MHz
Boost Clock
1183 MHz
2790 MHz
Game Clock
—
2220 MHz
Memory Clock
1500 MHz
6 Gbps effective
2250 MHz
18 Gbps effective
Memory
Memory Size
4 GB
12 GB
VRAM (MB)
4,096
12,288
+200.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
192 bit
Bandwidth
96.00 GB/s
432.0 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
8 MB
L3 Cache
—
48 MB
L0 Cache
—
32 KB per WGP
Performance
Pixel Rate
18.93 GPixel/s
267.8 GPixel/s
Texture Rate
37.86 GTexel/s
535.7 GTexel/s
FP32 (TFLOPS)
1,211.4 GFLOPS
34.28 TFLOPS
FP64 (TFLOPS)
75.71 GFLOPS (1:16)
1,071.4 GFLOPS (1:32)
FP16 (TFLOPS)
1,211.4 GFLOPS (1:1)
68.57 TFLOPS (2:1)
AI/RT
RT Cores
—
48
Matrix Cores
—
96
Power
TDP
50 W
220 W
TDP (W)
50
220
+340.0%
Suggested PSU
250 W
550 W
Power Connectors
None
2x 8-pin
Architecture
Architecture
GCN 4.0
RDNA 4.0
GPU Name
Lexa
Navi 48
Generation
Polaris
(RX 500X)
Navi IV
(RX 9000)
Process Size
14 nm
4 nm
Transistors
2,200 million
53,900 million
Die Size
103 mm²
357 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
151.0M / mm²
API Support
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
2.2
Shader Model
6.7
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
145 mm
5.7 inches
—
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
1x HDMI 2.1b3x DisplayPort 2.1a
Bus Interface
PCIe 3.0 x8
PCIe 5.0 x16
Other
Production
End-of-life
Active
Predecessor
Polaris
Navi III
Successor
Vega
—