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 6950 XT
CORE STATE
Navi 21
VRAM
16 GB
CLOCK SPEED
2310 MHz
TDP
335 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 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 6950 XT
Core Specs
Shading Units
512
5,120
+900.0%
Shaders
512
5,120
+900.0%
TMUs
32
320
+900.0%
ROPs
16
128
+700.0%
Compute Units
8
80
+900.0%
Clocks
Base Clock
1100 MHz
1860 MHz
Boost Clock
1183 MHz
2310 MHz
Game Clock
—
2100 MHz
Memory Clock
1750 MHz
7 Gbps effective
2250 MHz
18 Gbps effective
Memory
Memory Size
2 GB
16 GB
VRAM (MB)
2,048
16,384
+700.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
256 bit
Bandwidth
112.0 GB/s
576.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
512 KB
4 MB
L3 Cache
—
128 MB
L0 Cache
—
32 KB per WGP
Performance
Pixel Rate
18.93 GPixel/s
295.7 GPixel/s
Texture Rate
37.86 GTexel/s
739.2 GTexel/s
FP32 (TFLOPS)
1,211.4 GFLOPS
23.65 TFLOPS
FP64 (TFLOPS)
75.71 GFLOPS (1:16)
1,478.4 GFLOPS (1:16)
FP16 (TFLOPS)
1,211.4 GFLOPS (1:1)
47.31 TFLOPS (2:1)
AI/RT
RT Cores
—
80
Power
TDP
50 W
335 W
TDP (W)
50
335
+570.0%
Suggested PSU
250 W
700 W
Power Connectors
None
2x 8-pin
Architecture
Architecture
GCN 4.0
RDNA 2.0
GPU Name
Lexa
Navi 21
Generation
Polaris
(RX 500)
Navi II
(RX 6000)
Process Size
14 nm
7 nm
Transistors
2,200 million
26,800 million
Die Size
103 mm²
520 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
51.5M / mm²
API Support
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
2.1
Shader Model
6.7
6.8
Physical
Slot Width
Dual-slot
Triple-slot
Length
145 mm
5.7 inches
267 mm
10.5 inches
Height
—
120 mm
4.7 inches
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
1x HDMI 2.12x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x16
Other
Launch Price
79 USD
1,099 USD
Production
End-of-life
End-of-life
Predecessor
Arctic Islands
Navi
Successor
Vega
Navi III