NVIDIA GeForce GTX 660 Ti vs AMD Radeon R7 265X OEM
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 2GB VRAM Radeon R7 265X OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 660 Ti 's Advantages
Boost Clock has increased by 6% (980MHz vs 925MHz)
64 additional rendering cores
AMD Radeon R7 265X OEM 's Advantages
Released 2 years late
Larger VRAM bandwidth (179.2GB/s vs 144.2GB/s)
Score
Benchmark
FP32 (float)
GeForce GTX 660 Ti
+11%
2.634 TFLOPS
Radeon R7 265X OEM
2.368 TFLOPS
Graphics Card
Aug 2012
Release Date
Aug 2014
GeForce 600
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
915 MHz
Base Clock
900 MHz
980 MHz
Boost Clock
925 MHz
1502 MHz
Memory Clock
1400 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
192bit
Memory Bus
256bit
144.2GB/s
Bandwidth
179.2GB/s
Render Config
-
Compute Units
20
-
-
-
1344
Shading Units
1280
112
TMUs
80
24
ROPs
32
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
384 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
27.44 GPixel/s
Pixel Rate
29.60 GPixel/s
109.8 GTexel/s
Texture Rate
74.00 GTexel/s
-
-
-
2.634 TFLOPS
FP32 (float)
2.368 TFLOPS
109.8 GFLOPS
FP64 (double)
148.0 GFLOPS
Board Design
150W
TDP
150W
450 W
Suggested PSU
450 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
2x 6-pin
Power Connectors
1x 6-pin
Graphics Processor
GK104
GPU Name
Curacao
GK104-300-KD-A2
GPU Variant
Curacao PRO
(215-0848000)
Kepler
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
2.8 billion
294 mm²
Die Size
212 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
