GPU Comparison
GPU
Intel Xeon Phi 3120A
CORE STATE
Knights Corner
VRAM
6 GB
CLOCK SPEED
—
TDP
300 W
BUS WIDTH
384 bit
ARCHITECTURE
Knights
PROCESS
22 nm
LAUNCH DATE
2012
VS
GEFORCE
GeForce GTX 1660 Ti
CORE STATE
TU116
VRAM
6 GB
CLOCK SPEED
1770 MHz
TDP
120 W
BUS WIDTH
192 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2019
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_opencl
geekbench_vulkan
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
Phi 3120A
GTX 1660 Ti
Core Specs
Shading Units
912
1,536
+68.4%
Shaders
912
1,536
+68.4%
TMUs
32
96
+200.0%
ROPs
0
48
+∞%
SM Count
—
24
Execution Units
57
—
Clocks
Base Clock
—
1500 MHz
Boost Clock
—
1770 MHz
GPU Clock
1100 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1500 MHz
12 Gbps effective
Memory
Memory Size
6 GB
6 GB
VRAM (MB)
6,144
6,144
0.0%
Memory Type
GDDR5
GDDR6
Memory Bus
384 bit
192 bit
Bandwidth
240.0 GB/s
288.0 GB/s
Cache
L1 Cache
—
64 KB (per SM)
L2 Cache
—
1536 KB
Performance
Pixel Rate
0 MPixel/s
84.96 GPixel/s
Texture Rate
35.20 GTexel/s
169.9 GTexel/s
FP32 (TFLOPS)
2.006 TFLOPS
5.437 TFLOPS
FP64 (TFLOPS)
—
169.9 GFLOPS (1:32)
FP16 (TFLOPS)
—
10.87 TFLOPS (2:1)
Power
TDP
300 W
120 W
TDP (W)
300
120
-60.0%
Suggested PSU
700 W
300 W
Power Connectors
—
1x 8-pin
Architecture
Architecture
Knights
Turing
GPU Name
Knights Corner
TU116
Generation
Knights Corner
(x100)
GeForce 16
Process Size
22 nm
12 nm
Transistors
5,000 million
6,600 million
Die Size
720 mm²
284 mm²
Foundry
Intel
TSMC
Density
6.9M / mm²
23.2M / mm²
API Support
DirectX
—
12 (12_1)
OpenGL
—
4.6
Vulkan
—
1.4
OpenCL
1.2
3.0
CUDA
—
7.5
Shader Model
5.0
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
248 mm
9.8 inches
229 mm
9 inches
Height
—
111 mm
4.4 inches
Outputs
No outputs
1x DVI1x HDMI 2.01x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
1,695 USD
279 USD
Production
End-of-life
End-of-life
Predecessor
Knights Ferry
GeForce 10
Successor
H3C Graphics
GeForce 20