NVIDIA GeForce GTX 660 OEM vs AMD Radeon PRO W7900

GPU · Specs Compare

Products
GPU NVIDIA GeForce GTX 660 OEM NVIDIA · 2012-08
GPU AMD Radeon PRO W7900 AMD · 2023-04
Graphics Card
Release Date
Aug 2012
May 2023
Generation
GeForce 600
Radeon Pro Navi
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
823 MHz
1760 MHz
Boost Clock
888 MHz
2495 MHz
Memory Clock
1400 MHz
2250 MHz
Memory
Memory Size
1536MB
48GB
Memory Type
GDDR5
GDDR6
Memory Bus
192bit
384bit
Bandwidth
134.4GB/s
864.0GB/s
Render Config
Shading Units
1152
6144
TMUs
96
384
ROPs
24
192
L1 Cache
16 KB (per SMX)
256 KB per Array
L2 Cache
384 KB
6 MB
Compute Units
—
96
RT Cores
—
96
L3 Cache
—
96 MB
Theoretical Performance
Pixel Rate
21.31 GPixel/s
479.0 GPixel/s
Texture Rate
85.25 GTexel/s
958.1 GTexel/s
FP32 (float)
2.046 TFLOPS
61.32 TFLOPS
FP64 (double)
85.25 GFLOPS
1.916 TFLOPS
FP16 (half)
—
122.6 TFLOPS
Graphics Processor
GPU Name
GK104
Navi 31
GPU Variant
GK104-200-KD-A2
Navi 31 XTW
Architecture
Kepler
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
3.54 billion
57.7 billion
Die Size
294 mm²
529 mm²
Board Design
TDP
130W
295W
Suggested PSU
300 W
600 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
3x DisplayPort 2.11x mini-DisplayPort 2.1
Power Connectors
1x 6-pin
2x 8-pin
Graphics Features
DirectX
12 (11_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.1
1.4
CUDA
3.0
—
Shader Model
5.1
6.9
Benchmark
3DMark Time Spy
1,194
—
3DMark Time Spy Extreme
260
—
▲ Specs Compare Data sourced from official specifications and benchmark tests.