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
RTX 4000 SFF Ada Generation
CORE STATE
AD104
VRAM
20 GB
CLOCK SPEED
1560 MHz
TDP
70 W
BUS WIDTH
160 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 555X
RTX 4000 SFF Ada Generation
Core Specs
Shading Units
768
6,144
+700.0%
Shaders
768
6,144
+700.0%
TMUs
48
192
+300.0%
ROPs
16
64
+300.0%
Compute Units
12
—
SM Count
—
48
Clocks
Base Clock
—
720 MHz
Boost Clock
—
1560 MHz
GPU Clock
907 MHz
—
Memory Clock
1470 MHz
5.9 Gbps effective
1750 MHz
14 Gbps effective
Memory
Memory Size
4 GB
20 GB
VRAM (MB)
4,096
20,480
+400.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
160 bit
Bandwidth
94.08 GB/s
280.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
1024 KB
48 MB
Performance
Pixel Rate
14.51 GPixel/s
99.84 GPixel/s
Texture Rate
43.54 GTexel/s
299.5 GTexel/s
FP32 (TFLOPS)
1,393.2 GFLOPS
19.17 TFLOPS
FP64 (TFLOPS)
87.07 GFLOPS (1:16)
299.5 GFLOPS (1:64)
FP16 (TFLOPS)
1,393.2 GFLOPS (1:1)
19.17 TFLOPS (1:1)
AI/RT
RT Cores
—
48
Tensor Cores
—
192
Power
TDP
75 W
70 W
TDP (W)
75
70
-6.7%
Suggested PSU
—
250 W
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Ada Lovelace
GPU Name
Polaris 21
AD104
Generation
Radeon Pro Mac
(500X Series)
Workstation Ada
(x000A)
Process Size
14 nm
5 nm
Transistors
3,000 million
35,800 million
Die Size
123 mm²
294 mm²
Foundry
GlobalFoundries
TSMC
Density
24.4M / mm²
121.8M / mm²
API Support
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
3.0
CUDA
—
8.9
Shader Model
6.7
6.8
Physical
Slot Width
IGP
Dual-slot
Length
—
168 mm
6.6 inches
Height
—
69 mm
2.7 inches
Outputs
Portable Device Dependent
4x mini-DisplayPort 1.4a
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x16
Other
Production
End-of-life
Active
Predecessor
—
Workstation Ampere
Successor
—
Blackwell PRO W