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
B200
CORE STATE
GB100
VRAM
90 GB
CLOCK SPEED
1965 MHz
TDP
1000 W
BUS WIDTH
4096 bit
ARCHITECTURE
Blackwell
PROCESS
5 nm
LAUNCH DATE
—
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 555X
B200
Core Specs
Shading Units
768
18,944
+2366.7%
Shaders
768
18,944
+2366.7%
TMUs
48
592
+1133.3%
ROPs
16
24
+50.0%
Compute Units
12
—
SM Count
—
148
Clocks
Base Clock
—
700 MHz
Boost Clock
—
1965 MHz
GPU Clock
907 MHz
—
Memory Clock
1470 MHz
5.9 Gbps effective
2000 MHz
8 Gbps effective
Memory
Memory Size
4 GB
90 GB
VRAM (MB)
4,096
92,160
+2150.0%
Memory Type
GDDR5
HBM3e
Memory Bus
128 bit
4096 bit
Bandwidth
94.08 GB/s
4.10 TB/s
Cache
L1 Cache
16 KB (per CU)
256 KB (per SM)
L2 Cache
1024 KB
50 MB
Performance
Pixel Rate
14.51 GPixel/s
47.16 GPixel/s
Texture Rate
43.54 GTexel/s
1,163.3 GTexel/s
FP32 (TFLOPS)
1,393.2 GFLOPS
74.45 TFLOPS
FP64 (TFLOPS)
87.07 GFLOPS (1:16)
37.22 TFLOPS (1:2)
FP16 (TFLOPS)
1,393.2 GFLOPS (1:1)
1,191.2 TFLOPS (16:1)
AI/RT
Tensor Cores
—
592
Power
TDP
75 W
1000 W
TDP (W)
75
1,000
+1233.3%
Suggested PSU
—
1400 W
Power Connectors
None
—
Architecture
Architecture
GCN 4.0
Blackwell
GPU Name
Polaris 21
GB100
Generation
Radeon Pro Mac
(500X Series)
Server Blackwell
(Bxx)
Process Size
14 nm
5 nm
Transistors
3,000 million
104,000 million
Die Size
123 mm²
—
Foundry
GlobalFoundries
TSMC
Density
24.4M / mm²
—
API Support
DirectX
12 (12_0)
—
OpenGL
4.6
—
Vulkan
1.3
—
OpenCL
2.1
3.0
CUDA
—
10.0
Shader Model
6.7
—
Physical
Slot Width
IGP
SXM Module
Outputs
Portable Device Dependent
No outputs
Bus Interface
PCIe 3.0 x8
PCIe 5.0 x16
Other
Production
End-of-life
Active
Predecessor
—
Server Hopper
Successor
—
Server Rubin