GPU Comparison
RADEON
AMD Radeon Pro 555X
CORE STATE
Polaris 21
VRAM
4 GB
CLOCK SPEED
—
TDP
75 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2018
VS
RADEON
Radeon R7 240
CORE STATE
Oland
VRAM
2 GB
CLOCK SPEED
780 MHz
TDP
30 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 555X
R7 240
Core Specs
Shading Units
768
320
-58.3%
Shaders
768
320
-58.3%
TMUs
48
20
-58.3%
ROPs
16
8
-50.0%
Compute Units
12
5
-58.3%
Clocks
Base Clock
—
730 MHz
Boost Clock
—
780 MHz
GPU Clock
907 MHz
—
Memory Clock
1470 MHz
5.9 Gbps effective
900 MHz
1800 Mbps effective
Memory
Memory Size
4 GB
2 GB
VRAM (MB)
4,096
2,048
-50.0%
Memory Type
GDDR5
DDR3
Memory Bus
128 bit
128 bit
Bandwidth
94.08 GB/s
28.80 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
1024 KB
256 KB
Performance
Pixel Rate
14.51 GPixel/s
6.240 GPixel/s
Texture Rate
43.54 GTexel/s
15.60 GTexel/s
FP32 (TFLOPS)
1,393.2 GFLOPS
499.2 GFLOPS
FP64 (TFLOPS)
87.07 GFLOPS (1:16)
—
FP16 (TFLOPS)
1,393.2 GFLOPS (1:1)
—
Power
TDP
75 W
30 W
TDP (W)
75
30
-60.0%
Suggested PSU
—
200 W
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
GCN 1.0
GPU Name
Polaris 21
Oland
Generation
Radeon Pro Mac
(500X Series)
Volcanic Islands
(R7 200)
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
Single-slot
Length
—
168 mm
6.6 inches
Height
—
69 mm
2.7 inches
Outputs
Portable Device Dependent
1x DVI1x HDMI 1.4a1x VGA
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x8
Other
Launch Price
—
69 USD
Production
End-of-life
End-of-life
Predecessor
—
Sea Islands
Successor
—
Pirate Islands