Mobility Radeon HD 2700 vs Radeon R5 M255
We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 2700 and 2GB VRAM Radeon R5 M255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R5 M255 Advantages
Released 6 years and 10 months late
Boost Clock940MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (32.00GB/s vs 22.40GB/s)
264 additional rendering cores
Score
Benchmark
FP32 (float)
Mobility Radeon HD 2700
168
Radeon R5 M255
+329%
721
Graphics Card
Dec 2007
Release Date
Oct 2014
M7x
Generation
Gem System
Mobile
Type
Mobile
MXM-II
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
925 MHz
-
Boost Clock
940 MHz
700 MHz
Memory Clock
1000 MHz
Memory
256MB
Memory Size
2GB
GDDR3
Memory Type
DDR3
128bit
Memory Bus
128bit
22.40GB/s
Bandwidth
32.00GB/s
Render Config
3
Compute Units
6
120
Shading Units
384
8
TMUs
24
4
ROPs
8
-
L1 Cache
16 KB (per CU)
64 KB
L2 Cache
256 KB
Theoretical Performance
2.800 GPixel/s
Pixel Rate
7.520 GPixel/s
5.600 GTexel/s
Texture Rate
22.56 GTexel/s
-
FP16 (half)
721.9 GFLOPS
168.0 GFLOPS
FP32 (float)
721.9 GFLOPS
-
FP64 (double)
45.12 GFLOPS
Board Design
35W
TDP
Unknown
No outputs
Outputs
Portable Device Dependent
Graphics Processor
M76
GPU Name
Topaz
-
GPU Variant
Topaz PRO
(216-0858030)
(216-0858030)
TeraScale
Architecture
GCN 3.0
TSMC
Foundry
TSMC
65 nm
Process Size
28 nm
0.39 billion
Transistors
1.55 billion
153 mm²
Die Size
125 mm²
Graphics Features
10.0 (10_0)
DirectX
12 (12_0)
3.3
OpenGL
4.6
N/A
OpenCL
2.1
N/A
Vulkan
1.2.170
4.0
Shader Model
6.5
