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 HD 8690M
CORE STATE
Sun
VRAM
2 GB
CLOCK SPEED
975 MHz
TDP
—
BUS WIDTH
64 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
540
HD 8690M
Core Specs
Shading Units
384
320
-16.7%
Shaders
384
320
-16.7%
TMUs
24
20
-16.7%
ROPs
16
8
-50.0%
Compute Units
6
5
-16.7%
Clocks
Base Clock
—
925 MHz
Boost Clock
—
975 MHz
GPU Clock
1183 MHz
—
Memory Clock
1500 MHz
6 Gbps effective
1000 MHz
4 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
64 bit
Bandwidth
24.00 GB/s
32.00 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
128 KB
Performance
Pixel Rate
18.93 GPixel/s
7.800 GPixel/s
Texture Rate
28.39 GTexel/s
19.50 GTexel/s
FP32 (TFLOPS)
908.5 GFLOPS
624.0 GFLOPS
FP64 (TFLOPS)
56.78 GFLOPS (1:16)
39.00 GFLOPS (1:16)
FP16 (TFLOPS)
908.5 GFLOPS (1:1)
—
Power
TDP
50 W
—
TDP (W)
50
—
Suggested PSU
250 W
—
Power Connectors
None
—
Architecture
Architecture
GCN 4.0
GCN 1.0
GPU Name
Lexa
Sun
Generation
Polaris
(RX 500)
Solar System
(HD 8600M)
Process Size
14 nm
28 nm
Transistors
2,200 million
690 million
Die Size
103 mm²
56 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
12.3M / mm²
API Support
DirectX
12 (12_0)
12 (11_1)
OpenGL
4.6
4.6
Vulkan
1.3
1.2.170
OpenCL
2.1
2.1 (1.2)
Shader Model
6.7
6.5 (5.1)
Physical
Slot Width
Single-slot
—
Outputs
2x DisplayPort 1.4a
—
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
Arctic Islands
London
Successor
Vega
Gem System