Home GPU Comparison AMD Radeon R5 M255 vs NVIDIA GeForce GTX 260M

AMD Radeon R5 M255 vs NVIDIA GeForce GTX 260M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M255 and 1024MB VRAM GeForce GTX 260M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M255 's Advantages
Released 5 years and 7 months late
Boost Clock940MHz
More VRAM (2GB vs 1024GB)
272 additional rendering cores
NVIDIA GeForce GTX 260M 's Advantages
Larger VRAM bandwidth (60.80GB/s vs 32.00GB/s)

Score

Benchmark

FP32 (float)
Radeon R5 M255 +134%
0.721 TFLOPS
GeForce GTX 260M
0.308 TFLOPS
VS

Graphics Card

Oct 2014
Release Date
Mar 2009
Gem System
Generation
GeForce 200M
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16

Clock Speeds

925 MHz
Base Clock
-
940 MHz
Boost Clock
-
1000 MHz
Memory Clock
950 MHz

Memory

2GB
Memory Size
1024MB
DDR3
Memory Type
GDDR3
128bit
Memory Bus
256bit
32.00GB/s
Bandwidth
60.80GB/s

Render Config

6
Compute Units
-
-
SM Count
14
384
Shading Units
112
24
TMUs
56
8
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
64 KB
-
-
-

Theoretical Performance

7.520 GPixel/s
Pixel Rate
8.800 GPixel/s
22.56 GTexel/s
Texture Rate
30.80 GTexel/s
721.9 GFLOPS
FP16 (half)
-
721.9 GFLOPS
FP32 (float)
308.0 GFLOPS
45.12 GFLOPS
FP64 (double)
-

Board Design

Unknown
TDP
65W
-
-
-
Portable Device Dependent
Outputs
No outputs
-
-
-

Graphics Processor

Topaz
GPU Name
G92
Topaz PRO (216-0858030)
GPU Variant
N10E-GT
GCN 3.0
Architecture
Tesla
TSMC
Foundry
TSMC
28 nm
Process Size
65 nm
1.55 billion
Transistors
0.754 billion
125 mm²
Die Size
324 mm²

Graphics Features

12 (12_0)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
2.1
OpenCL
1.1
1.2.170
Vulkan
N/A
-
CUDA
1.1
6.5
Shader Model
4.0

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