Home GPU Comparison NVIDIA GeForce GTX 660 Ti vs AMD Radeon R9 280X2

NVIDIA GeForce GTX 660 Ti vs AMD Radeon R9 280X2

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 3GB VRAM Radeon R9 280X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 Ti 's Advantages
Lower TDP (150W vs 375W)
AMD Radeon R9 280X2 's Advantages
Boost Clock has increased by 2% (1000MHz vs 980MHz)
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (288.0GB/s vs 144.2GB/s)
704 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GTX 660 Ti
2.634 TFLOPS
Radeon R9 280X2 +55%
4.096 TFLOPS
VS

Graphics Card

Aug 2012
Release Date
Unknown
GeForce 600
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

915 MHz
Base Clock
950 MHz
980 MHz
Boost Clock
1000 MHz
1502 MHz
Memory Clock
1500 MHz

Memory

2GB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
192bit
Memory Bus
384bit
144.2GB/s
Bandwidth
288.0GB/s

Render Config

-
Compute Units
32
-
-
-
1344
Shading Units
2048
112
TMUs
128
24
ROPs
32
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
384 KB
L2 Cache
768 KB
-
-
-

Theoretical Performance

27.44 GPixel/s
Pixel Rate
32.00 GPixel/s
109.8 GTexel/s
Texture Rate
128.0 GTexel/s
-
-
-
2.634 TFLOPS
FP32 (float)
4.096 TFLOPS
109.8 GFLOPS
FP64 (double)
1024 GFLOPS

Board Design

150W
TDP
375W
450 W
Suggested PSU
750 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
6x mini-DisplayPort 1.2
2x 6-pin
Power Connectors
3x 8-pin

Graphics Processor

GK104
GPU Name
Tahiti
GK104-300-KD-A2
GPU Variant
Tahiti XTL (215-0821065)
Kepler
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
4.313 billion
294 mm²
Die Size
352 mm²

Graphics Features

12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.1
Vulkan
1.2
3.0
CUDA
-
5.1
Shader Model
5.1

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