Home GPU Comparison NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon Pro VII

NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon Pro VII

NVIDIA GeForce GTX 660 Rev. 2
VS
AMD Radeon Pro VII
NVIDIA GeForce GTX 660 Rev. 2
AMD Radeon Pro VII
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 16GB VRAM Radeon Pro VII to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 Rev. 2 's Advantages
Lower TDP (140W vs 250W)
AMD Radeon Pro VII 's Advantages
Released 5 years and 8 months late
Boost Clock has increased by 65% (1700MHz vs 1032MHz)
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (1020GB/s vs 144.2GB/s)
2880 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GTX 660 Rev. 2
1.981 TFLOPS
Radeon Pro VII +559%
13.06 TFLOPS
GeForce GTX 660 Rev. 2
VS
Radeon Pro VII

Graphics Card

Sep 2014
Release Date
May 2020
GeForce 600
Generation
Radeon Pro Vega
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

980 MHz
Base Clock
1400 MHz
1032 MHz
Boost Clock
1700 MHz
1502 MHz
Memory Clock
1000 MHz

Memory

2GB
Memory Size
16GB
GDDR5
Memory Type
HBM2
192bit
Memory Bus
4096bit
144.2GB/s
Bandwidth
1020GB/s

Render Config

-
Compute Units
60
-
-
-
960
Shading Units
3840
80
TMUs
240
24
ROPs
64
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
384 KB
L2 Cache
4 MB
-
-
-

Theoretical Performance

20.64 GPixel/s
Pixel Rate
108.8 GPixel/s
82.56 GTexel/s
Texture Rate
408.0 GTexel/s
-
FP16 (half)
26.11 TFLOPS
1.981 TFLOPS
FP32 (float)
13.06 TFLOPS
82.56 GFLOPS
FP64 (double)
6.528 TFLOPS

Board Design

140W
TDP
250W
300 W
Suggested PSU
600 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
6x mini-DisplayPort 1.4a
1x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin

Graphics Processor

GK104
GPU Name
Vega 20
-
GPU Variant
Vega 20 GLXT WS (215-0914026)
Kepler
Architecture
GCN 5.1
TSMC
Foundry
TSMC
28 nm
Process Size
7 nm
3.54 billion
Transistors
13.23 billion
294 mm²
Die Size
331 mm²

Graphics Features

12 (11_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.1
Vulkan
1.3
3.0
CUDA
-
5.1
Shader Model
6.7

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