Home GPU Comparison NVIDIA GeForce GTX 560 Ti vs AMD Radeon R9 255 OEM

NVIDIA GeForce GTX 560 Ti vs AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 560 Ti and 2GB VRAM Radeon R9 255 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 560 Ti 's Advantages
Larger VRAM bandwidth (128.3GB/s vs 73.60GB/s)
AMD Radeon R9 255 OEM 's Advantages
Released 2 years and 11 months late
Boost Clock930MHz
More VRAM (2GB vs 1024GB)
128 additional rendering cores
Lower TDP (65W vs 170W)

Score

Benchmark

FP32 (float)
GeForce GTX 560 Ti +32%
1.263 TFLOPS
Radeon R9 255 OEM
0.952 TFLOPS
VS

Graphics Card

Jan 2011
Release Date
Dec 2013
GeForce 500
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
900 MHz
-
Boost Clock
930 MHz
1002 MHz
Memory Clock
1150 MHz

Memory

1024MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
128.3GB/s
Bandwidth
73.60GB/s

Render Config

-
Compute Units
8
8
SM Count
-
384
Shading Units
512
64
TMUs
32
32
ROPs
16
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

13.17 GPixel/s
Pixel Rate
14.88 GPixel/s
52.67 GTexel/s
Texture Rate
29.76 GTexel/s
-
-
-
1263 GFLOPS
FP32 (float)
952.3 GFLOPS
105.3 GFLOPS
FP64 (double)
59.52 GFLOPS

Board Design

170W
TDP
65W
450 W
Suggested PSU
250 W
2x DVI 1x mini-HDMI 1.3a
Outputs
No outputs
2x 6-pin
Power Connectors
1x 6-pin

Graphics Processor

GF114
GPU Name
Cape Verde
GF114-400-A1
GPU Variant
Cape Verde PRX
Fermi 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.95 billion
Transistors
1.5 billion
332 mm²
Die Size
123 mm²

Graphics Features

12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
1.1
OpenCL
1.2
N/A
Vulkan
1.2
2.1
CUDA
-
5.1
Shader Model
5.1

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