GPU Comparison
RADEON
AMD Radeon 550X
CORE STATE
Lexa
VRAM
2 GB
CLOCK SPEED
1218 MHz
TDP
50 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2019
VS
RADEON
Radeon RX 6850M XT
CORE STATE
Navi 22
VRAM
12 GB
CLOCK SPEED
2581 MHz
TDP
165 W
BUS WIDTH
192 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2022
PERFORMANCE BENCHMARKS
geekbench_opencl
3dmark_3dmark_steel_nomad_dx12
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
550X
RX 6850M XT
Core Specs
Shading Units
512
2,560
+400.0%
Shaders
512
2,560
+400.0%
TMUs
32
160
+400.0%
ROPs
16
64
+300.0%
Compute Units
8
40
+400.0%
Clocks
Base Clock
1082 MHz
2321 MHz
Boost Clock
1218 MHz
2581 MHz
Game Clock
—
2463 MHz
Memory Clock
1750 MHz
7 Gbps effective
2250 MHz
18 Gbps effective
Memory
Memory Size
2 GB
12 GB
VRAM (MB)
2,048
12,288
+500.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
192 bit
Bandwidth
112.0 GB/s
432.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
512 KB
3 MB
L3 Cache
—
96 MB
L0 Cache
—
32 KB per WGP
Performance
Pixel Rate
19.49 GPixel/s
165.2 GPixel/s
Texture Rate
38.98 GTexel/s
413.0 GTexel/s
FP32 (TFLOPS)
1,247.2 GFLOPS
13.21 TFLOPS
FP64 (TFLOPS)
77.95 GFLOPS (1:16)
825.9 GFLOPS (1:16)
FP16 (TFLOPS)
1,247.2 GFLOPS (1:1)
26.43 TFLOPS (2:1)
AI/RT
RT Cores
—
40
Power
TDP
50 W
165 W
TDP (W)
50
165
+230.0%
Suggested PSU
250 W
—
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
RDNA 2.0
GPU Name
Lexa
Navi 22
Generation
Polaris
(RX 500X)
Navi Mobile
(RX 6000M)
Process Size
14 nm
7 nm
Transistors
2,200 million
17,200 million
Die Size
103 mm²
335 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
51.3M / 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
IGP
Length
145 mm
5.7 inches
—
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
Polaris Mobile
Successor
Vega
—