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 455
CORE STATE
Baffin
VRAM
2 GB
CLOCK SPEED
—
TDP
35 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
540
Pro 455
Core Specs
Shading Units
384
768
+100.0%
Shaders
384
768
+100.0%
TMUs
24
48
+100.0%
ROPs
16
16
0.0%
Compute Units
6
12
+100.0%
Clocks
GPU Clock
1183 MHz
855 MHz
Memory Clock
1500 MHz
6 Gbps effective
1270 MHz
5.1 Gbps effective
Memory
Memory Size
1024 MB
2 GB
VRAM (MB)
1,024
2,048
+100.0%
Memory Type
GDDR5
GDDR5
Memory Bus
32 bit
128 bit
Bandwidth
24.00 GB/s
81.28 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
1024 KB
Performance
Pixel Rate
18.93 GPixel/s
13.68 GPixel/s
Texture Rate
28.39 GTexel/s
41.04 GTexel/s
FP32 (TFLOPS)
908.5 GFLOPS
1,313.3 GFLOPS
FP64 (TFLOPS)
56.78 GFLOPS (1:16)
82.08 GFLOPS (1:16)
FP16 (TFLOPS)
908.5 GFLOPS (1:1)
1,313.3 GFLOPS (1:1)
Power
TDP
50 W
35 W
TDP (W)
50
35
-30.0%
Suggested PSU
250 W
—
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
GCN 4.0
GPU Name
Lexa
Baffin
Generation
Polaris
(RX 500)
Radeon Pro Mac
(400 Series)
Process Size
14 nm
14 nm
Transistors
2,200 million
3,000 million
Die Size
103 mm²
123 mm²
Foundry
GlobalFoundries
GlobalFoundries
Density
21.4M / mm²
24.4M / 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
MXM Module
Outputs
2x DisplayPort 1.4a
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
Arctic Islands
—
Successor
Vega
—