GPU Comparison
GEFORCE
NVIDIA GeForce GTX 660 Ti
CORE STATE
GK104
VRAM
2 GB
CLOCK SPEED
980 MHz
TDP
150 W
BUS WIDTH
192 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
VS
GEFORCE
Tesla T4
CORE STATE
TU104
VRAM
16 GB
CLOCK SPEED
1590 MHz
TDP
70 W
BUS WIDTH
256 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2018
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 660 Ti
Tesla T4
Core Specs
Shading Units
1,344
2,560
+90.5%
Shaders
1,344
2,560
+90.5%
TMUs
112
160
+42.9%
ROPs
24
64
+166.7%
SM Count
—
40
Clocks
Base Clock
915 MHz
585 MHz
Boost Clock
980 MHz
1590 MHz
Memory Clock
1502 MHz
6 Gbps effective
1250 MHz
10 Gbps effective
Memory
Memory Size
2 GB
16 GB
VRAM (MB)
2,048
16,384
+700.0%
Memory Type
GDDR5
GDDR6
Memory Bus
192 bit
256 bit
Bandwidth
144.2 GB/s
320.0 GB/s
Cache
L1 Cache
16 KB (per SMX)
64 KB (per SM)
L2 Cache
384 KB
4 MB
Performance
Pixel Rate
27.44 GPixel/s
101.8 GPixel/s
Texture Rate
109.8 GTexel/s
254.4 GTexel/s
FP32 (TFLOPS)
2.634 TFLOPS
8.141 TFLOPS
FP64 (TFLOPS)
109.8 GFLOPS (1:24)
254.4 GFLOPS (1:32)
FP16 (TFLOPS)
—
65.13 TFLOPS (8:1)
AI/RT
RT Cores
—
40
Tensor Cores
—
320
Power
TDP
150 W
70 W
TDP (W)
150
70
-53.3%
Suggested PSU
450 W
250 W
Power Connectors
2x 6-pin
None
Architecture
Architecture
Kepler
Turing
GPU Name
GK104
TU104
Generation
GeForce 600
Tesla Turing
(Txx)
Process Size
28 nm
12 nm
Transistors
3,540 million
13,600 million
Die Size
294 mm²
545 mm²
Foundry
TSMC
TSMC
Density
12.0M / mm²
25.0M / mm²
API Support
DirectX
12 (11_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.2.175
1.4
OpenCL
3.0
3.0
CUDA
3.0
7.5
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
Dual-slot
Single-slot
Length
241 mm
9.5 inches
168 mm
6.6 inches
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
299 USD
—
Production
End-of-life
End-of-life
Predecessor
GeForce 500
Tesla Volta
Successor
GeForce 700
Server Ampere