GPU Comparison
RADEON
AMD Radeon RX 7800M
CORE STATE
Navi 32
VRAM
12 GB
CLOCK SPEED
2335 MHz
TDP
180 W
BUS WIDTH
192 bit
ARCHITECTURE
RDNA 3.0
PROCESS
5 nm
LAUNCH DATE
2024
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
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
RX 7800M
B300
Core Specs
Shading Units
3,840
18,944
+393.3%
Shaders
3,840
18,944
+393.3%
TMUs
240
592
+146.7%
ROPs
96
24
-75.0%
Compute Units
60
—
SM Count
—
148
Clocks
Base Clock
1295 MHz
1665 MHz
Boost Clock
2335 MHz
2032 MHz
Game Clock
2145 MHz
—
Memory Clock
2250 MHz
18 Gbps effective
2000 MHz
8 Gbps effective
Memory
Memory Size
12 GB
144 GB
VRAM (MB)
12,288
147,456
+1100.0%
Memory Type
GDDR6
HBM3e
Memory Bus
192 bit
4096 bit
Bandwidth
432.0 GB/s
4.10 TB/s
Cache
L1 Cache
128 KB per Array
256 KB (per SM)
L2 Cache
4 MB
50 MB
L3 Cache
48 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
224.2 GPixel/s
48.77 GPixel/s
Texture Rate
560.4 GTexel/s
1,202.9 GTexel/s
FP32 (TFLOPS)
35.87 TFLOPS
76.99 TFLOPS
FP64 (TFLOPS)
1,120.8 GFLOPS (1:32)
1,202.9 GFLOPS (1:64)
FP16 (TFLOPS)
71.73 TFLOPS (2:1)
1,231.8 TFLOPS (16:1)
AI/RT
RT Cores
60
—
Tensor Cores
—
592
Power
TDP
180 W
1400 W
TDP (W)
180
1,400
+677.8%
Suggested PSU
—
1800 W
Power Connectors
None
—
Architecture
Architecture
RDNA 3.0
Blackwell Ultra
GPU Name
Navi 32
GB110
Codename
Wheat Nas
—
Generation
Navi Mobile
(RX 7000M)
Server Blackwell
(Bxx)
Process Size
5 nm
5 nm
Transistors
28,100 million
104,000 million
Die Size
346 mm²
—
Foundry
TSMC
TSMC
Density
81.2M / 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 x16
PCIe 5.0 x16
Other
Production
Active
Active
Predecessor
Polaris Mobile
Server Hopper
Successor
—
Server Rubin