GeForce GTX 660 Ti vs Radeon R7 250E
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 1024MB VRAM Radeon R7 250E to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 660 Ti 's Advantages
Boost Clock980MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (144.2GB/s vs 72.00GB/s)
832 additional rendering cores
Radeon R7 250E 's Advantages
Released 1 years and 4 months late
Lower TDP (55W vs 150W)
Score
Benchmark
FP32 (float)
GeForce GTX 660 Ti
+221%
2634
Radeon R7 250E
819
3DMark Time Spy
GeForce GTX 660 Ti
+188%
1616
Radeon R7 250E
561
Graphics Card
Aug 2012
Release Date
Dec 2013
GeForce 600
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
915 MHz
Base Clock
-
980 MHz
Boost Clock
-
1502 MHz
Memory Clock
1125 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
192bit
Memory Bus
128bit
144.2GB/s
Bandwidth
72.00GB/s
Render Config
-
Compute Units
8
1344
Shading Units
512
112
TMUs
32
24
ROPs
16
16 KB (per SMX)
L1 Cache
16 KB (per CU)
384 KB
L2 Cache
256 KB
Theoretical Performance
27.44 GPixel/s
Pixel Rate
12.80 GPixel/s
109.8 GTexel/s
Texture Rate
25.60 GTexel/s
2.634 TFLOPS
FP32 (float)
819.2 GFLOPS
109.8 GFLOPS
FP64 (double)
51.20 GFLOPS
Board Design
150W
TDP
55W
450 W
Suggested PSU
250 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
2x 6-pin
Power Connectors
None
Graphics Processor
GK104
GPU Name
Cape Verde
GK104-300-KD-A2
GPU Variant
Cape Verde PRO
Kepler
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
1.5 billion
294 mm²
Die Size
123 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
