GPU Comparison
RADEON
AMD Radeon Pro 455
CORE STATE
Baffin
VRAM
2 GB
CLOCK SPEED
—
TDP
35 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2016
VS
RADEON
Radeon PRO W6400
CORE STATE
Navi 24
VRAM
4 GB
CLOCK SPEED
2321 MHz
TDP
50 W
BUS WIDTH
64 bit
ARCHITECTURE
RDNA 2.0
PROCESS
6 nm
LAUNCH DATE
2022
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 455
PRO W6400
Core Specs
Shading Units
768
768
0.0%
Shaders
768
768
0.0%
TMUs
48
48
0.0%
ROPs
16
32
+100.0%
Compute Units
12
12
0.0%
Clocks
Base Clock
—
2039 MHz
Boost Clock
—
2321 MHz
GPU Clock
855 MHz
—
Memory Clock
1270 MHz
5.1 Gbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
64 bit
Bandwidth
81.28 GB/s
128.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
1024 KB
1024 KB
L3 Cache
—
8 MB
L0 Cache
—
32 KB per WGP
Performance
Pixel Rate
13.68 GPixel/s
74.27 GPixel/s
Texture Rate
41.04 GTexel/s
111.4 GTexel/s
FP32 (TFLOPS)
1,313.3 GFLOPS
3.565 TFLOPS
FP64 (TFLOPS)
82.08 GFLOPS (1:16)
222.8 GFLOPS (1:16)
FP16 (TFLOPS)
1,313.3 GFLOPS (1:1)
7.130 TFLOPS (2:1)
AI/RT
RT Cores
—
12
Power
TDP
35 W
50 W
TDP (W)
35
50
+42.9%
Suggested PSU
—
250 W
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
RDNA 2.0
GPU Name
Baffin
Navi 24
Generation
Radeon Pro Mac
(400 Series)
Radeon Pro Navi
(Navi II Series)
Process Size
14 nm
6 nm
Transistors
3,000 million
5,400 million
Die Size
123 mm²
107 mm²
Foundry
GlobalFoundries
TSMC
Density
24.4M / mm²
50.5M / mm²
API Support
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
2.2
Shader Model
6.7
6.8
Physical
Slot Width
MXM Module
Single-slot
Outputs
Portable Device Dependent
2x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x4
Other
Production
End-of-life
End-of-life
Predecessor
—
Radeon Pro Vega