GPU Comparison

AMD
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
nm
PROCESS 6 nm
LAUNCH DATE 2022
VS
NVIDIA
GEFORCE

RTX A4000 Mobile

CORE STATE GA104
VRAM 8 GB
CLOCK SPEED 1680 MHz
TDP 115 W
BUS WIDTH 256 bit
ARCHITECTURE Ampere
nm
PROCESS 8 nm
LAUNCH DATE 2021

PERFORMANCE BENCHMARKS

geekbench_opencl
12,876
97,178
geekbench_vulkan
14,748
73,002
passmark_directx_10
N/A
105
passmark_directx_11
N/A
127
passmark_directx_12
N/A
66
passmark_directx_9
N/A
157
passmark_g2d
N/A
585
passmark_g3d
N/A
14,796
passmark_gpu_compute
N/A
6,394

Analysis: AMD Radeon 660M vs NVIDIA RTX A4000 Mobile

Throughout this graphics card battle, the NVIDIA RTX A4000 Mobile card from NVIDIA proves its advantage convincingly. If you're streaming at 1440p, the NVIDIA RTX A4000 Mobile card from NVIDIA dependably exceeds AMD's AMD Radeon 660M graphics by considerable percentages. The frame rate difference increases especially wider at elevated resolutions. This card handles heavy titles with grace. The engineering improvements are obvious.

AMD's AMD Radeon 660M graphics encounters issues to keep up with the NVIDIA RTX A4000 Mobile card from NVIDIA's absolute throughput. For value-focused users, AMD's AMD Radeon 660M graphics could nonetheless provide reasonable results, but those needing maximum experience should look toward the NVIDIA RTX A4000 Mobile card from NVIDIA. This benchmark margin is too substantial to ignore. Demanding titles especially highlight this difference. The cost difference delivers rewards in performance.

For buyers facing a buying selection, the NVIDIA RTX A4000 Mobile card from NVIDIA emerges as the suggested option. Its steady benchmark advantage over AMD's AMD Radeon 660M graphics establishes it the more logical choice for gaming-focused consumers. Weigh your particular use cases, however the evidence leads toward the NVIDIA RTX A4000 Mobile card from NVIDIA. Base an informed selection. The benchmark gap is tangible and meaningful.

DETAILED SPECIFICATIONS

SPECIFICATION
660M
RTX A4000 Mobile
Core Specs
Shading Units
384
5,120 +1233.3%
Shaders
384
5,120 +1233.3%
TMUs
24
160 +566.7%
ROPs
16
80 +400.0%
Compute Units
6
SM Count
40
Clocks
Base Clock
1500 MHz
1140 MHz
Boost Clock
1900 MHz
1680 MHz
Memory Clock
System Shared
1500 MHz 12 Gbps effective
Memory
Memory Size
System Shared
8 GB
VRAM (MB)
8,192
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
256 bit
Bandwidth
System Dependent
384.0 GB/s
Cache
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
2 MB
4 MB
L0 Cache
32 KB per WGP
Performance
Pixel Rate
30.40 GPixel/s
134.4 GPixel/s
Texture Rate
45.60 GTexel/s
268.8 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
17.20 TFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
268.8 GFLOPS (1:64)
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
17.20 TFLOPS (1:1)
AI/RT
RT Cores
6
40 +566.7%
Tensor Cores
160
Power
TDP
40 W
115 W
TDP (W)
40
115 +187.5%
Power Connectors
None
None
Architecture
Architecture
RDNA 2.0
Ampere
GPU Name
Rembrandt
GA104
Generation
Navi II IGP (Rembrandt Mobile)
Ampere-MW (Ax000)
Process Size
6 nm
8 nm
Transistors
13,100 million
17,400 million
Die Size
208 mm²
392 mm²
Foundry
TSMC
Samsung
Density
63.0M / mm²
44.4M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
2.0
3.0
CUDA
8.6
Shader Model
6.8
6.8
Physical
Slot Width
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Vega II IGP
Quadro Turing-M
Successor
Navi III IGP
Ada-MW
View Radeon 660M Details View RTX A4000 Mobile Details