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 6750 XT
CORE STATE
Navi 22
VRAM
12 GB
CLOCK SPEED
2600 MHz
TDP
250 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_metal
geekbench_vulkan
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
550X
RX 6750 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
2150 MHz
Boost Clock
1218 MHz
2600 MHz
Game Clock
—
2495 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
166.4 GPixel/s
Texture Rate
38.98 GTexel/s
416.0 GTexel/s
FP32 (TFLOPS)
1,247.2 GFLOPS
13.31 TFLOPS
FP64 (TFLOPS)
77.95 GFLOPS (1:16)
832.0 GFLOPS (1:16)
FP16 (TFLOPS)
1,247.2 GFLOPS (1:1)
26.62 TFLOPS (2:1)
AI/RT
RT Cores
—
40
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
RDNA 2.0
GPU Name
Lexa
Navi 22
Generation
Polaris
(RX 500X)
Navi II
(RX 6000)
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
Dual-slot
Length
145 mm
5.7 inches
267 mm
10.5 inches
Height
—
110 mm
4.3 inches
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
1x HDMI 2.13x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x16
Other
Launch Price
—
549 USD
Production
End-of-life
End-of-life
Predecessor
Polaris
Navi
Successor
Vega
Navi III