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 RTX 2080
CORE STATE
TU104
VRAM
8 GB
CLOCK SPEED
1710 MHz
TDP
215 W
BUS WIDTH
256 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2018
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
RTX 2080
Core Specs
Shading Units
912
2,944
+222.8%
Shaders
912
2,944
+222.8%
TMUs
32
184
+475.0%
ROPs
0
64
+∞%
SM Count
—
46
Execution Units
57
—
Clocks
Base Clock
—
1515 MHz
Boost Clock
—
1710 MHz
GPU Clock
1100 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1750 MHz
14 Gbps effective
Memory
Memory Size
6 GB
8 GB
VRAM (MB)
6,144
8,192
+33.3%
Memory Type
GDDR5
GDDR6
Memory Bus
384 bit
256 bit
Bandwidth
240.0 GB/s
448.0 GB/s
Cache
L1 Cache
—
64 KB (per SM)
L2 Cache
—
4 MB
Performance
Pixel Rate
0 MPixel/s
109.4 GPixel/s
Texture Rate
35.20 GTexel/s
314.6 GTexel/s
FP32 (TFLOPS)
2.006 TFLOPS
10.07 TFLOPS
FP64 (TFLOPS)
—
314.6 GFLOPS (1:32)
FP16 (TFLOPS)
—
20.14 TFLOPS (2:1)
AI/RT
RT Cores
—
46
Tensor Cores
—
368
Power
TDP
300 W
215 W
TDP (W)
300
215
-28.3%
Suggested PSU
700 W
550 W
Power Connectors
—
1x 6-pin + 1x 8-pin
Architecture
Architecture
Knights
Turing
GPU Name
Knights Corner
TU104
Generation
Knights Corner
(x100)
GeForce 20
Process Size
22 nm
12 nm
Transistors
5,000 million
13,600 million
Die Size
720 mm²
545 mm²
Foundry
Intel
TSMC
Density
6.9M / mm²
25.0M / mm²
API Support
DirectX
—
12 Ultimate (12_2)
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
267 mm
10.5 inches
Height
—
116 mm
4.6 inches
Outputs
No outputs
1x HDMI 2.03x DisplayPort 1.4a1x USB Type-C
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
1,695 USD
699 USD
Production
End-of-life
End-of-life
Predecessor
Knights Ferry
GeForce 10
Successor
H3C Graphics
GeForce 30