GPU Comparison
RADEON
AMD Radeon Pro 555
CORE STATE
Polaris 21
VRAM
2 GB
CLOCK SPEED
—
TDP
75 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2017
VS
RADEON
Radeon R7 M260X
CORE STATE
Opal
VRAM
1024 MB
CLOCK SPEED
715 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 555
R7 M260X
Core Specs
Shading Units
768
384
-50.0%
Shaders
768
384
-50.0%
TMUs
48
24
-50.0%
ROPs
16
8
-50.0%
Compute Units
12
6
-50.0%
Clocks
Base Clock
—
620 MHz
Boost Clock
—
715 MHz
GPU Clock
850 MHz
—
Memory Clock
1275 MHz
5.1 Gbps effective
1000 MHz
4 Gbps effective
Memory
Memory Size
2 GB
1024 MB
VRAM (MB)
2,048
1,024
-50.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
128 bit
Bandwidth
81.60 GB/s
64.00 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
1024 KB
256 KB
Performance
Pixel Rate
13.60 GPixel/s
5.720 GPixel/s
Texture Rate
40.80 GTexel/s
17.16 GTexel/s
FP32 (TFLOPS)
1,305.6 GFLOPS
549.1 GFLOPS
FP64 (TFLOPS)
81.60 GFLOPS (1:16)
—
FP16 (TFLOPS)
1,305.6 GFLOPS (1:1)
—
Power
TDP
75 W
—
TDP (W)
75
—
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
GCN 1.0
GPU Name
Polaris 21
Opal
Generation
Radeon Pro Mac
(500 Series)
Gem System
(R7 M200)
Process Size
14 nm
28 nm
Transistors
3,000 million
950 million
Die Size
123 mm²
77 mm²
Foundry
GlobalFoundries
TSMC
Density
24.4M / 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
IGP
—
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
—
Solar System
Successor
—
Polaris Mobile