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 6770
CORE STATE
Juniper
VRAM
1024 MB
CLOCK SPEED
—
TDP
108 W
BUS WIDTH
128 bit
ARCHITECTURE
TeraScale 2
PROCESS
40 nm
LAUNCH DATE
2011
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
540
HD 6770
Core Specs
Shading Units
384
800
+108.3%
Shaders
384
800
+108.3%
TMUs
24
40
+66.7%
ROPs
16
16
0.0%
Compute Units
6
10
+66.7%
Clocks
GPU Clock
1183 MHz
850 MHz
Memory Clock
1500 MHz
6 Gbps effective
1200 MHz
4.8 Gbps effective
Memory
Memory Size
1024 MB
1024 MB
VRAM (MB)
1,024
1,024
0.0%
Memory Type
GDDR5
GDDR5
Memory Bus
32 bit
128 bit
Bandwidth
24.00 GB/s
76.80 GB/s
Cache
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
512 KB
256 KB
Performance
Pixel Rate
18.93 GPixel/s
13.60 GPixel/s
Texture Rate
28.39 GTexel/s
34.00 GTexel/s
FP32 (TFLOPS)
908.5 GFLOPS
1,360.0 GFLOPS
FP64 (TFLOPS)
56.78 GFLOPS (1:16)
—
FP16 (TFLOPS)
908.5 GFLOPS (1:1)
—
Power
TDP
50 W
108 W
TDP (W)
50
108
+116.0%
Suggested PSU
250 W
300 W
Power Connectors
None
1x 6-pin
Architecture
Architecture
GCN 4.0
TeraScale 2
GPU Name
Lexa
Juniper
Generation
Polaris
(RX 500)
Northern Islands
(HD 6700)
Process Size
14 nm
40 nm
Transistors
2,200 million
1,040 million
Die Size
103 mm²
166 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
6.3M / mm²
API Support
DirectX
12 (12_0)
11.2 (11_0)
OpenGL
4.6
4.4
Vulkan
1.3
—
OpenCL
2.1
1.2
Shader Model
6.7
5.0
Physical
Slot Width
Single-slot
Dual-slot
Length
—
198 mm
7.8 inches
Outputs
2x DisplayPort 1.4a
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Bus Interface
PCIe 3.0 x8
PCIe 2.0 x16
Other
Launch Price
—
129 USD
Production
End-of-life
End-of-life
Predecessor
Arctic Islands
Evergreen
Successor
Vega
Southern Islands