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

AMD Radeon R9 280 vs NVIDIA GeForce GTX 660 Ti

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

Main Differences

AMD Radeon R9 280 's Advantages
Released 1 years and 7 months late
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (240.0GB/s vs 144.2GB/s)
448 additional rendering cores
NVIDIA GeForce GTX 660 Ti 's Advantages
Boost Clock has increased by 5% (980MHz vs 933MHz)
Lower TDP (150W vs 200W)

Score

Benchmark

FP32 (float)
Radeon R9 280 +26%
3.344 TFLOPS
GeForce GTX 660 Ti
2.634 TFLOPS
3DMark Time Spy
Radeon R9 280 +23%
2009
GeForce GTX 660 Ti
1627
VS

Graphics Card

Mar 2014
Release Date
Aug 2012
Volcanic Islands
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

827 MHz
Base Clock
915 MHz
933 MHz
Boost Clock
980 MHz
1250 MHz
Memory Clock
1502 MHz

Memory

3GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
192bit
240.0GB/s
Bandwidth
144.2GB/s

Render Config

28
Compute Units
-
-
-
-
1792
Shading Units
1344
112
TMUs
112
32
ROPs
24
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
768 KB
L2 Cache
384 KB
-
-
-

Theoretical Performance

29.86 GPixel/s
Pixel Rate
27.44 GPixel/s
104.5 GTexel/s
Texture Rate
109.8 GTexel/s
-
-
-
3.344 TFLOPS
FP32 (float)
2.634 TFLOPS
836.0 GFLOPS
FP64 (double)
109.8 GFLOPS

Board Design

200W
TDP
150W
550 W
Suggested PSU
450 W
1x DVI 2x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
2x 6-pin

Graphics Processor

Tahiti
GPU Name
GK104
Tahiti PRO3 (215-0821330)
GPU Variant
GK104-300-KD-A2
GCN 1.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
4.313 billion
Transistors
3.54 billion
352 mm²
Die Size
294 mm²

Graphics Features

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

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