NVIDIA GeForce GTX 660 OEM vs AMD Radeon Graphics 448SP
GPU Specs Compare
Graphics Card
Release Date
Aug 2012
Jan 2021
Generation
GeForce 600
Lucienne
Type
Desktop
Integrated
Bus Interface
PCIe 3.0 x16
IGP
Clock Speeds
Base Clock
823 MHz
300 MHz
Boost Clock
888 MHz
1800 MHz
Memory Clock
1400 MHz
System Shared
Memory
Memory Size
1536MB
System Shared
Memory Type
GDDR5
System Shared
Memory Bus
192bit
System Shared
Bandwidth
134.4GB/s
System Dependent
Render Config
Shading Units
1152
448
TMUs
96
32
ROPs
24
8
L1 Cache
16 KB (per SMX)
-
L2 Cache
384 KB
-
Compute Units
-
7
Theoretical Performance
Pixel Rate
21.31 GPixel/s
14.40 GPixel/s
Texture Rate
85.25 GTexel/s
57.60 GTexel/s
FP32 (float)
2.046 TFLOPS
1.613 TFLOPS
FP64 (double)
85.25 GFLOPS
100.8 GFLOPS
FP16 (half)
-
3.226 TFLOPS
Graphics Processor
GPU Name
GK104
Lucienne
GPU Variant
GK104-200-KD-A2
-
Architecture
Kepler
GCN 5.1
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
3.54 billion
9.8 billion
Die Size
294 mm²
156 mm²
Board Design
TDP
130W
25W
Suggested PSU
300 W
-
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin
None
Graphics Features
DirectX
12 (11_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.1
1.2
CUDA
3.0
-
Shader Model
5.1
6.4
📊 Benchmark
3DMark Time Spy
1,194
-
3DMark Time Spy Extreme
260
-