GPU Comparison
RADEON
AMD Radeon 540
CORE STATE
Lexa
VRAM
1024 MB
CLOCK SPEED
—
TDP
50 W
BUS WIDTH
32 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2017
VS
RADEON
Radeon Pro 575X
CORE STATE
Ellesmere
VRAM
4 GB
CLOCK SPEED
—
TDP
150 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2019
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
540
Pro 575X
Core Specs
Shading Units
384
2,048
+433.3%
Shaders
384
2,048
+433.3%
TMUs
24
128
+433.3%
ROPs
16
32
+100.0%
Compute Units
6
32
+433.3%
Clocks
GPU Clock
1183 MHz
1096 MHz
Memory Clock
1500 MHz
6 Gbps effective
1695 MHz
6.8 Gbps effective
Memory
Memory Size
1024 MB
4 GB
VRAM (MB)
1,024
4,096
+300.0%
Memory Type
GDDR5
GDDR5
Memory Bus
32 bit
256 bit
Bandwidth
24.00 GB/s
217.0 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
2 MB
Performance
Pixel Rate
18.93 GPixel/s
35.07 GPixel/s
Texture Rate
28.39 GTexel/s
140.3 GTexel/s
FP32 (TFLOPS)
908.5 GFLOPS
4.489 TFLOPS
FP64 (TFLOPS)
56.78 GFLOPS (1:16)
280.6 GFLOPS (1:16)
FP16 (TFLOPS)
908.5 GFLOPS (1:1)
4.489 TFLOPS (1:1)
Power
TDP
50 W
150 W
TDP (W)
50
150
+200.0%
Suggested PSU
250 W
—
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
GCN 4.0
GPU Name
Lexa
Ellesmere
Generation
Polaris
(RX 500)
Radeon Pro Mac
(500X Series)
Process Size
14 nm
14 nm
Transistors
2,200 million
5,700 million
Die Size
103 mm²
232 mm²
Foundry
GlobalFoundries
GlobalFoundries
Density
21.4M / mm²
24.6M / mm²
API Support
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.3
1.3
OpenCL
2.1
2.1
Shader Model
6.7
6.7
Physical
Slot Width
Single-slot
IGP
Outputs
2x DisplayPort 1.4a
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Arctic Islands
—
Successor
Vega
—