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
GeForce RTX 3080 12 GB
CORE STATE
GA102
VRAM
12 GB
CLOCK SPEED
1710 MHz
TDP
350 W
BUS WIDTH
384 bit
ARCHITECTURE
Ampere
PROCESS
8 nm
LAUNCH DATE
2022
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
DETAILED SPECIFICATIONS
SPECIFICATION
660M
RTX 3080 12 GB
Core Specs
Shading Units
384
8,960
+2233.3%
Shaders
384
8,960
+2233.3%
TMUs
24
280
+1066.7%
ROPs
16
96
+500.0%
Compute Units
6
—
SM Count
—
70
Clocks
Base Clock
1500 MHz
1260 MHz
Boost Clock
1900 MHz
1710 MHz
Memory Clock
System Shared
1188 MHz
19 Gbps effective
Memory
Memory Size
System Shared
12 GB
VRAM (MB)
—
12,288
Memory Type
System Shared
GDDR6X
Memory Bus
System Shared
384 bit
Bandwidth
System Dependent
912.4 GB/s
Cache
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
2 MB
6 MB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
30.40 GPixel/s
164.2 GPixel/s
Texture Rate
45.60 GTexel/s
478.8 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
30.64 TFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
478.8 GFLOPS (1:64)
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
30.64 TFLOPS (1:1)
AI/RT
RT Cores
6
70
+1066.7%
Tensor Cores
—
280
Power
TDP
40 W
350 W
TDP (W)
40
350
+775.0%
Suggested PSU
—
750 W
Power Connectors
None
1x 12-pin
Architecture
Architecture
RDNA 2.0
Ampere
GPU Name
Rembrandt
GA102
Generation
Navi II IGP
(Rembrandt Mobile)
GeForce 30
Process Size
6 nm
8 nm
Transistors
13,100 million
28,300 million
Die Size
208 mm²
628 mm²
Foundry
TSMC
Samsung
Density
63.0M / mm²
45.1M / 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
Dual-slot
Length
—
285 mm
11.2 inches
Height
—
112 mm
4.4 inches
Outputs
Portable Device Dependent
1x HDMI 2.13x DisplayPort 1.4a
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Other
Launch Price
—
799 USD
Production
End-of-life
End-of-life
Predecessor
Vega II IGP
GeForce 20
Successor
Navi III IGP
GeForce 40