GPU Comparison
RADEON
AMD Radeon RX 6450M
CORE STATE
Navi 24
VRAM
4 GB
CLOCK SPEED
2460 MHz
TDP
50 W
BUS WIDTH
64 bit
ARCHITECTURE
RDNA 2.0
PROCESS
6 nm
LAUNCH DATE
2023
VS
GEFORCE
B300
CORE STATE
GB110
VRAM
144 GB
CLOCK SPEED
2032 MHz
TDP
1400 W
BUS WIDTH
4096 bit
ARCHITECTURE
Blackwell Ultra
PROCESS
5 nm
LAUNCH DATE
2025
DETAILED SPECIFICATIONS
SPECIFICATION
RX 6450M
B300
Core Specs
Shading Units
768
18,944
+2366.7%
Shaders
768
18,944
+2366.7%
TMUs
48
592
+1133.3%
ROPs
32
24
-25.0%
Compute Units
12
—
SM Count
—
148
Clocks
Base Clock
2000 MHz
1665 MHz
Boost Clock
2460 MHz
2032 MHz
Game Clock
2220 MHz
—
Memory Clock
2000 MHz
16 Gbps effective
2000 MHz
8 Gbps effective
Memory
Memory Size
4 GB
144 GB
VRAM (MB)
4,096
147,456
+3500.0%
Memory Type
GDDR6
HBM3e
Memory Bus
64 bit
4096 bit
Bandwidth
128.0 GB/s
4.10 TB/s
Cache
L1 Cache
128 KB per Array
256 KB (per SM)
L2 Cache
1024 KB
50 MB
L3 Cache
16 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
78.72 GPixel/s
48.77 GPixel/s
Texture Rate
118.1 GTexel/s
1,202.9 GTexel/s
FP32 (TFLOPS)
3.779 TFLOPS
76.99 TFLOPS
FP64 (TFLOPS)
236.2 GFLOPS (1:16)
1,202.9 GFLOPS (1:64)
FP16 (TFLOPS)
7.557 TFLOPS (2:1)
1,231.8 TFLOPS (16:1)
AI/RT
RT Cores
12
—
Tensor Cores
—
592
Power
TDP
50 W
1400 W
TDP (W)
50
1,400
+2700.0%
Suggested PSU
—
1800 W
Power Connectors
None
—
Architecture
Architecture
RDNA 2.0
Blackwell Ultra
GPU Name
Navi 24
GB110
Generation
Navi Mobile
(RX 6000M)
Server Blackwell
(Bxx)
Process Size
6 nm
5 nm
Transistors
5,400 million
104,000 million
Die Size
107 mm²
—
Foundry
TSMC
TSMC
Density
50.5M / mm²
—
API Support
DirectX
12 Ultimate (12_2)
—
OpenGL
4.6
—
Vulkan
1.4
—
OpenCL
2.2
3.0
CUDA
—
10.3
Shader Model
6.8
—
Physical
Slot Width
IGP
SXM Module
Outputs
Portable Device Dependent
No outputs
Bus Interface
PCIe 4.0 x4
PCIe 5.0 x16
Other
Production
Active
Active
Predecessor
Polaris Mobile
Server Hopper
Successor
—
Server Rubin