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
GPU
Iris Xe MAX Graphics
CORE STATE
DG1
VRAM
4 GB
CLOCK SPEED
1650 MHz
TDP
25 W
BUS WIDTH
128 bit
ARCHITECTURE
Generation 12.1
PROCESS
10 nm
LAUNCH DATE
2020
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
540
Iris Xe MAX Graphics
Core Specs
Shading Units
384
768
+100.0%
Shaders
384
768
+100.0%
TMUs
24
48
+100.0%
ROPs
16
24
+50.0%
Compute Units
6
—
Execution Units
—
96
Clocks
Base Clock
—
300 MHz
Boost Clock
—
1650 MHz
GPU Clock
1183 MHz
—
Memory Clock
1500 MHz
6 Gbps effective
2133 MHz
4.3 Gbps effective
Memory
Memory Size
1024 MB
4 GB
VRAM (MB)
1,024
4,096
+300.0%
Memory Type
GDDR5
LPDDR4X
Memory Bus
32 bit
128 bit
Bandwidth
24.00 GB/s
68.26 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
1024 KB
L3 Cache
—
16 MB
Performance
Pixel Rate
18.93 GPixel/s
39.60 GPixel/s
Texture Rate
28.39 GTexel/s
79.20 GTexel/s
FP32 (TFLOPS)
908.5 GFLOPS
2.534 TFLOPS
FP64 (TFLOPS)
56.78 GFLOPS (1:16)
633.6 GFLOPS (1:4)
FP16 (TFLOPS)
908.5 GFLOPS (1:1)
5.069 TFLOPS (2:1)
Power
TDP
50 W
25 W
TDP (W)
50
25
-50.0%
Suggested PSU
250 W
200 W
Power Connectors
None
—
Architecture
Architecture
GCN 4.0
Generation 12.1
GPU Name
Lexa
DG1
Generation
Polaris
(RX 500)
Xe Graphics
Process Size
14 nm
10 nm
Transistors
2,200 million
—
Die Size
103 mm²
95 mm²
Foundry
GlobalFoundries
Intel
Density
21.4M / mm²
—
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
3.0
Shader Model
6.7
6.6
Physical
Slot Width
Single-slot
IGP
Outputs
2x DisplayPort 1.4a
No outputs
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
Arctic Islands
Graphics
Successor
Vega
Alchemist