GPU Comparison
RADEON
AMD Radeon 660M
CORE STATE
Rembrandt
VRAM
System Shared
CLOCK SPEED
1900 MHz
TDP
40 W
BUS WIDTH
System Shared
ARCHITECTURE
RDNA 2.0
PROCESS
6 nm
LAUNCH DATE
2022
VS
GEFORCE
GB10
CORE STATE
GB20B
VRAM
128 GB
CLOCK SPEED
2418 MHz
TDP
140 W
BUS WIDTH
256 bit
ARCHITECTURE
Blackwell 2.0
PROCESS
5 nm
LAUNCH DATE
2025
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
Analysis: AMD Radeon 660M vs NVIDIA GB10
AMD AMD Radeon 660M and NVIDIA's NVIDIA GB10 deliver almost equal benchmark performance in every side-by-side evaluation. The benchmark deltas between both GPUs often sit below single digits, positioning any a reasonable option. This equivalence renders the choice interesting. Additional factors become increasingly critical. Value usually sways the decision.
For buyers conflicted between AMD AMD Radeon 660M and NVIDIA's NVIDIA GB10, rest comfortable that any choice achieves matching rendering results. This test data validates not a decisive champion. Make your decision on additional variables and experience excellent graphics results no matter what. Either are winners in their particular regard. Choose assuredly.
DETAILED SPECIFICATIONS
SPECIFICATION
660M
GB10
Core Specs
Shading Units
384
6,144
+1500.0%
Shaders
384
6,144
+1500.0%
TMUs
24
384
+1500.0%
ROPs
16
48
+200.0%
Compute Units
6
—
SM Count
—
48
Clocks
Base Clock
1500 MHz
1665 MHz
Boost Clock
1900 MHz
2418 MHz
Memory Clock
System Shared
1067 MHz
8.5 Gbps effective
Memory
Memory Size
System Shared
128 GB
VRAM (MB)
—
131,072
Memory Type
System Shared
LPDDR5X
Memory Bus
System Shared
256 bit
Bandwidth
System Dependent
273.2 GB/s
Cache
L1 Cache
128 KB per Array
256 KB (per SM)
L2 Cache
2 MB
50 MB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
30.40 GPixel/s
116.1 GPixel/s
Texture Rate
45.60 GTexel/s
928.5 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
29.71 TFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
464.3 GFLOPS (1:64)
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
29.71 TFLOPS (1:1)
AI/RT
RT Cores
6
48
+700.0%
Tensor Cores
—
384
Power
TDP
40 W
140 W
TDP (W)
40
140
+250.0%
Suggested PSU
—
300 W
Power Connectors
None
None
Architecture
Architecture
RDNA 2.0
Blackwell 2.0
GPU Name
Rembrandt
GB20B
Generation
Navi II IGP
(Rembrandt Mobile)
Server Blackwell
(Bxx)
Process Size
6 nm
5 nm
Transistors
13,100 million
—
Die Size
208 mm²
—
Foundry
TSMC
TSMC
Density
63.0M / mm²
—
API Support
DirectX
12 Ultimate (12_2)
—
OpenGL
4.6
—
Vulkan
1.4
—
OpenCL
2.0
3.0
CUDA
—
12.1
Shader Model
6.8
—
Physical
Slot Width
IGP
IGP
Length
—
150 mm
5.9 inches
Height
—
51 mm
2 inches
Outputs
Portable Device Dependent
1x HDMI
Bus Interface
PCIe 4.0 x8
PCIe 5.0 x16
Other
Launch Price
—
3,999 USD
Production
End-of-life
Active
Predecessor
Vega II IGP
Server Hopper
Successor
Navi III IGP
Server Rubin