GPU Comparison
RADEON
ATI Mobility Radeon HD 3870
CORE STATE
M88
VRAM
512 MB
CLOCK SPEED
—
TDP
55 W
BUS WIDTH
256 bit
ARCHITECTURE
TeraScale
PROCESS
55 nm
LAUNCH DATE
2008
VS
GEFORCE
GeForce GTX 1660 Ti Max-Q
CORE STATE
TU116
VRAM
6 GB
CLOCK SPEED
1335 MHz
TDP
—
BUS WIDTH
192 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2019
DETAILED SPECIFICATIONS
SPECIFICATION
ATI Mobility Radeon HD 3870
GTX 1660 Ti Max-Q
Core Specs
Shading Units
320
1,536
+380.0%
Shaders
320
1,536
+380.0%
TMUs
16
96
+500.0%
ROPs
16
48
+200.0%
Compute Units
4
—
SM Count
—
24
Clocks
Base Clock
—
1140 MHz
Boost Clock
—
1335 MHz
GPU Clock
660 MHz
—
Memory Clock
850 MHz
1700 Mbps effective
1500 MHz
12 Gbps effective
Memory
Memory Size
512 MB
6 GB
VRAM (MB)
512
6,144
+1100.0%
Memory Type
GDDR3
GDDR6
Memory Bus
256 bit
192 bit
Bandwidth
54.40 GB/s
288.0 GB/s
Cache
L1 Cache
—
64 KB (per SM)
L2 Cache
256 KB
1536 KB
Performance
Pixel Rate
10.56 GPixel/s
64.08 GPixel/s
Texture Rate
10.56 GTexel/s
128.2 GTexel/s
FP32 (TFLOPS)
422.4 GFLOPS
4.101 TFLOPS
FP64 (TFLOPS)
84.48 GFLOPS (1:5)
128.2 GFLOPS (1:32)
FP16 (TFLOPS)
—
8.202 TFLOPS (2:1)
Power
TDP
55 W
—
TDP (W)
55
—
Power Connectors
—
None
Architecture
Architecture
TeraScale
Turing
GPU Name
M88
TU116
Generation
M8x
(Mobility HD 3800)
GeForce 16 Mobile
Process Size
55 nm
12 nm
Transistors
666 million
6,600 million
Die Size
192 mm²
284 mm²
Foundry
TSMC
TSMC
Density
3.5M / mm²
23.2M / mm²
API Support
DirectX
10.1 (10_1)
12 (12_1)
OpenGL
3.3
4.6
Vulkan
—
1.4
OpenCL
—
3.0
CUDA
—
7.5
Shader Model
4.1
6.8
Physical
Slot Width
—
MXM Module
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
M7x
GeForce 10 Mobile
Successor
M9x
GeForce 20 Mobile