GPU Comparison
RADEON
AMD Radeon HD 7870M
CORE STATE
Heathrow
VRAM
2 GB
CLOCK SPEED
—
TDP
45 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2012
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
HD 7870M
GTX 1660 Ti Max-Q
Core Specs
Shading Units
640
1,536
+140.0%
Shaders
640
1,536
+140.0%
TMUs
40
96
+140.0%
ROPs
16
48
+200.0%
Compute Units
10
—
SM Count
—
24
Clocks
Base Clock
—
1140 MHz
Boost Clock
—
1335 MHz
GPU Clock
800 MHz
—
Memory Clock
1000 MHz
4 Gbps effective
1500 MHz
12 Gbps effective
Memory
Memory Size
2 GB
6 GB
VRAM (MB)
2,048
6,144
+200.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
192 bit
Bandwidth
64.00 GB/s
288.0 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
256 KB
1536 KB
Performance
Pixel Rate
12.80 GPixel/s
64.08 GPixel/s
Texture Rate
32.00 GTexel/s
128.2 GTexel/s
FP32 (TFLOPS)
1,024.0 GFLOPS
4.101 TFLOPS
FP64 (TFLOPS)
64.00 GFLOPS (1:16)
128.2 GFLOPS (1:32)
FP16 (TFLOPS)
—
8.202 TFLOPS (2:1)
Power
TDP
45 W
—
TDP (W)
45
—
Power Connectors
—
None
Architecture
Architecture
GCN 1.0
Turing
GPU Name
Heathrow
TU116
Generation
London
(HD 7800M)
GeForce 16 Mobile
Process Size
28 nm
12 nm
Transistors
1,500 million
6,600 million
Die Size
123 mm²
284 mm²
Foundry
TSMC
TSMC
Density
12.2M / mm²
23.2M / mm²
API Support
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
3.0
CUDA
—
7.5
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
—
MXM Module
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Vancouver
GeForce 10 Mobile
Successor
Solar System
GeForce 20 Mobile