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
GEFORCE
GeForce MX330
CORE STATE
GP108B
VRAM
2 GB
CLOCK SPEED
1594 MHz
TDP
10 W
BUS WIDTH
64 bit
ARCHITECTURE
Pascal
PROCESS
14 nm
LAUNCH DATE
2020
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 555X
MX330
Core Specs
Shading Units
768
384
-50.0%
Shaders
768
384
-50.0%
TMUs
48
24
-50.0%
ROPs
16
16
0.0%
Compute Units
12
—
SM Count
—
3
Clocks
Base Clock
—
1531 MHz
Boost Clock
—
1594 MHz
GPU Clock
907 MHz
—
Memory Clock
1470 MHz
5.9 Gbps effective
1752 MHz
7 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
64 bit
Bandwidth
94.08 GB/s
56.06 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SM)
L2 Cache
1024 KB
512 KB
Performance
Pixel Rate
14.51 GPixel/s
25.50 GPixel/s
Texture Rate
43.54 GTexel/s
38.26 GTexel/s
FP32 (TFLOPS)
1,393.2 GFLOPS
1,224.2 GFLOPS
FP64 (TFLOPS)
87.07 GFLOPS (1:16)
38.26 GFLOPS (1:32)
FP16 (TFLOPS)
1,393.2 GFLOPS (1:1)
19.13 GFLOPS (1:64)
Power
TDP
75 W
10 W
TDP (W)
75
10
-86.7%
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Pascal
GPU Name
Polaris 21
GP108B
Generation
Radeon Pro Mac
(500X Series)
GeForce MX
(3xx)
Process Size
14 nm
14 nm
Transistors
3,000 million
1,800 million
Die Size
123 mm²
74 mm²
Foundry
GlobalFoundries
Samsung
Density
24.4M / mm²
24.3M / mm²
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
3.0
CUDA
—
6.1
Shader Model
6.7
6.8
Physical
Slot Width
IGP
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x4
Other
Production
End-of-life
End-of-life