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 350
CORE STATE
Cape Verde
VRAM
2 GB
CLOCK SPEED
—
TDP
55 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 555X
R7 350
Core Specs
Shading Units
768
512
-33.3%
Shaders
768
512
-33.3%
TMUs
48
32
-33.3%
ROPs
16
16
0.0%
Compute Units
12
8
-33.3%
Clocks
GPU Clock
907 MHz
800 MHz
Memory Clock
1470 MHz
5.9 Gbps effective
1125 MHz
4.5 Gbps effective
Memory
Memory Size
4 GB
2 GB
VRAM (MB)
4,096
2,048
-50.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
128 bit
Bandwidth
94.08 GB/s
72.00 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
12.80 GPixel/s
Texture Rate
43.54 GTexel/s
25.60 GTexel/s
FP32 (TFLOPS)
1,393.2 GFLOPS
819.2 GFLOPS
FP64 (TFLOPS)
87.07 GFLOPS (1:16)
51.20 GFLOPS (1:16)
FP16 (TFLOPS)
1,393.2 GFLOPS (1:1)
—
Power
TDP
75 W
55 W
TDP (W)
75
55
-26.7%
Suggested PSU
—
250 W
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
GCN 1.0
GPU Name
Polaris 21
Cape Verde
Generation
Radeon Pro Mac
(500X Series)
Pirate Islands
(R7 300)
Process Size
14 nm
28 nm
Transistors
3,000 million
1,500 million
Die Size
123 mm²
123 mm²
Foundry
GlobalFoundries
TSMC
Density
24.4M / mm²
12.2M / 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
Outputs
Portable Device Dependent
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
—
Volcanic Islands
Successor
—
Arctic Islands