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
Tesla T4
CORE STATE
TU104
VRAM
16 GB
CLOCK SPEED
1590 MHz
TDP
70 W
BUS WIDTH
256 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2018
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
660M
Tesla T4
Core Specs
Shading Units
384
2,560
+566.7%
Shaders
384
2,560
+566.7%
TMUs
24
160
+566.7%
ROPs
16
64
+300.0%
Compute Units
6
—
SM Count
—
40
Clocks
Base Clock
1500 MHz
585 MHz
Boost Clock
1900 MHz
1590 MHz
Memory Clock
System Shared
1250 MHz
10 Gbps effective
Memory
Memory Size
System Shared
16 GB
VRAM (MB)
—
16,384
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
256 bit
Bandwidth
System Dependent
320.0 GB/s
Cache
L1 Cache
128 KB per Array
64 KB (per SM)
L2 Cache
2 MB
4 MB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
30.40 GPixel/s
101.8 GPixel/s
Texture Rate
45.60 GTexel/s
254.4 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
8.141 TFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
254.4 GFLOPS (1:32)
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
65.13 TFLOPS (8:1)
AI/RT
RT Cores
6
40
+566.7%
Tensor Cores
—
320
Power
TDP
40 W
70 W
TDP (W)
40
70
+75.0%
Suggested PSU
—
250 W
Power Connectors
None
None
Architecture
Architecture
RDNA 2.0
Turing
GPU Name
Rembrandt
TU104
Generation
Navi II IGP
(Rembrandt Mobile)
Tesla Turing
(Txx)
Process Size
6 nm
12 nm
Transistors
13,100 million
13,600 million
Die Size
208 mm²
545 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
25.0M / 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
—
7.5
Shader Model
6.8
6.8
Physical
Slot Width
IGP
Single-slot
Length
—
168 mm
6.6 inches
Outputs
Portable Device Dependent
No outputs
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Vega II IGP
Tesla Volta
Successor
Navi III IGP
Server Ampere