GPU Comparison
RADEON
AMD Radeon RX 550
CORE STATE
Lexa
VRAM
2 GB
CLOCK SPEED
1183 MHz
TDP
50 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2017
VS
RADEON
Radeon RX 7900 XT
CORE STATE
Navi 31
VRAM
20 GB
CLOCK SPEED
2394 MHz
TDP
300 W
BUS WIDTH
320 bit
ARCHITECTURE
RDNA 3.0
PROCESS
5 nm
LAUNCH DATE
2022
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_metal
geekbench_opencl
geekbench_vulkan
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
RX 550
RX 7900 XT
Core Specs
Shading Units
512
5,376
+950.0%
Shaders
512
5,376
+950.0%
TMUs
32
336
+950.0%
ROPs
16
192
+1100.0%
Compute Units
8
84
+950.0%
Clocks
Base Clock
1100 MHz
1387 MHz
Boost Clock
1183 MHz
2394 MHz
Game Clock
—
2025 MHz
Shader Clock
—
2025 MHz
Memory Clock
1750 MHz
7 Gbps effective
2500 MHz
20 Gbps effective
Memory
Memory Size
2 GB
20 GB
VRAM (MB)
2,048
20,480
+900.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
320 bit
Bandwidth
112.0 GB/s
800.0 GB/s
Cache
L1 Cache
16 KB (per CU)
256 KB per Array
L2 Cache
512 KB
6 MB
L3 Cache
—
80 MB
L0 Cache
—
64 KB per WGP
Performance
Pixel Rate
18.93 GPixel/s
459.6 GPixel/s
Texture Rate
37.86 GTexel/s
804.4 GTexel/s
FP32 (TFLOPS)
1,211.4 GFLOPS
51.48 TFLOPS
FP64 (TFLOPS)
75.71 GFLOPS (1:16)
1.609 TFLOPS (1:32)
FP16 (TFLOPS)
1,211.4 GFLOPS (1:1)
103.0 TFLOPS (2:1)
AI/RT
RT Cores
—
84
Matrix Cores
—
168
Power
TDP
50 W
300 W
TDP (W)
50
300
+500.0%
Suggested PSU
250 W
700 W
Power Connectors
None
2x 8-pin
Architecture
Architecture
GCN 4.0
RDNA 3.0
GPU Name
Lexa
Navi 31
Codename
—
Plum Bonito
Generation
Polaris
(RX 500)
Navi III
(RX 7000)
Process Size
14 nm
5 nm
Transistors
2,200 million
57,700 million
Die Size
103 mm²
529 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
109.1M / mm²
AMD MCM
GCD Transistors
—
45,400 million
GCD Die Size
—
304.35 mm²
MCD Transistors
—
2,050 million x6
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
276 mm
10.9 inches
Height
—
110 mm
4.3 inches
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x16
Other
Launch Price
79 USD
899 USD
Production
End-of-life
End-of-life
Predecessor
Arctic Islands
Navi II
Successor
Vega
Navi IV