GPU Comparison
RADEON
AMD Radeon HD 6870 X2
CORE STATE
Barts
VRAM
1024 MB
CLOCK SPEED
—
TDP
300 W
BUS WIDTH
256 bit
ARCHITECTURE
TeraScale 2
PROCESS
40 nm
LAUNCH DATE
2011
VS
GEFORCE
GeForce GTX 1660 Ti Mobile
CORE STATE
TU116
VRAM
6 GB
CLOCK SPEED
1590 MHz
TDP
—
BUS WIDTH
192 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2019
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6870 X2
GTX 1660 Ti Mobile
Core Specs
Shading Units
1,120
1,536
+37.1%
Shaders
1,120
1,536
+37.1%
TMUs
56
96
+71.4%
ROPs
32
48
+50.0%
Compute Units
14
—
SM Count
—
24
Clocks
Base Clock
—
1455 MHz
Boost Clock
—
1590 MHz
GPU Clock
900 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
28.80 GPixel/s
76.32 GPixel/s
Texture Rate
50.40 GTexel/s
152.6 GTexel/s
FP32 (TFLOPS)
2.016 TFLOPS
4.884 TFLOPS
FP64 (TFLOPS)
—
152.6 GFLOPS (1:32)
FP16 (TFLOPS)
—
9.769 TFLOPS (2:1)
Power
TDP
300 W
—
TDP (W)
300
—
Suggested PSU
700 W
—
Power Connectors
2x 8-pin
None
Architecture
Architecture
TeraScale 2
Turing
GPU Name
Barts
TU116
Generation
Northern Islands
(HD 6800)
GeForce 16 Mobile
Process Size
40 nm
12 nm
Transistors
1,700 million
6,600 million
Die Size
255 mm²
284 mm²
Foundry
TSMC
TSMC
Density
6.7M / 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
304 mm
12 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
Launch Price
520 USD
—
Production
End-of-life
End-of-life
Predecessor
Evergreen
GeForce 10 Mobile
Successor
Southern Islands
GeForce 20 Mobile