GPU Comparison
RADEON
AMD Radeon HD 6870 1600SP Edition
CORE STATE
Cypress
VRAM
1024 MB
CLOCK SPEED
—
TDP
175 W
BUS WIDTH
256 bit
ARCHITECTURE
TeraScale 2
PROCESS
40 nm
LAUNCH DATE
2013
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 6870 1600SP Edition
GTX 1660 Ti Max-Q
Core Specs
Shading Units
1,600
1,536
-4.0%
Shaders
1,600
1,536
-4.0%
TMUs
80
96
+20.0%
ROPs
32
48
+50.0%
Compute Units
20
—
SM Count
—
24
Clocks
Base Clock
—
1140 MHz
Boost Clock
—
1335 MHz
GPU Clock
850 MHz
—
Memory Clock
1050 MHz
4.2 Gbps effective
1500 MHz
12 Gbps effective
Memory
Memory Size
1024 MB
6 GB
VRAM (MB)
1,024
6,144
+500.0%
Memory Type
GDDR5
GDDR6
Memory Bus
256 bit
192 bit
Bandwidth
134.4 GB/s
288.0 GB/s
Cache
L1 Cache
8 KB (per CU)
64 KB (per SM)
L2 Cache
512 KB
1536 KB
Performance
Pixel Rate
27.20 GPixel/s
64.08 GPixel/s
Texture Rate
68.00 GTexel/s
128.2 GTexel/s
FP32 (TFLOPS)
2.720 TFLOPS
4.101 TFLOPS
FP64 (TFLOPS)
544.0 GFLOPS (1:5)
128.2 GFLOPS (1:32)
FP16 (TFLOPS)
—
8.202 TFLOPS (2:1)
Power
TDP
175 W
—
TDP (W)
175
—
Suggested PSU
450 W
—
Power Connectors
2x 6-pin
None
Architecture
Architecture
TeraScale 2
Turing
GPU Name
Cypress
TU116
Generation
Northern Islands
(HD 6800)
GeForce 16 Mobile
Process Size
40 nm
12 nm
Transistors
2,154 million
6,600 million
Die Size
334 mm²
284 mm²
Foundry
TSMC
TSMC
Density
6.4M / mm²
23.2M / mm²
API Support
DirectX
11.2 (11_0)
12 (12_1)
OpenGL
4.4
4.6
Vulkan
—
1.4
OpenCL
1.2
3.0
CUDA
—
7.5
Shader Model
5.0
6.8
Physical
Slot Width
Dual-slot
MXM Module
Length
282 mm
11.1 inches
—
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Portable Device Dependent
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Evergreen
GeForce 10 Mobile
Successor
Southern Islands
GeForce 20 Mobile