AMD Radeon R7 M260 vs AMD Radeon HD 7490M
We compared two Mobile platform GPUs: 2GB VRAM Radeon R7 M260 and 1024MB VRAM Radeon HD 7490M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R7 M260 's Advantages
Released 2 years and 5 months late
Boost Clock980MHz
More VRAM (2GB vs 1024GB)
224 additional rendering cores
AMD Radeon HD 7490M 's Advantages
Larger VRAM bandwidth (30.40GB/s vs 14.40GB/s)
Score
Benchmark
FP32 (float)
Radeon R7 M260
+193%
0.752 TFLOPS
Radeon HD 7490M
0.256 TFLOPS
Graphics Card
Jun 2014
Release Date
Jan 2012
Gem System
Generation
London
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
940 MHz
Base Clock
-
980 MHz
Boost Clock
-
900 MHz
Memory Clock
950 MHz
Memory
2GB
Memory Size
1024MB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
64bit
14.40GB/s
Bandwidth
30.40GB/s
Render Config
6
Compute Units
2
-
-
-
384
Shading Units
160
24
TMUs
8
8
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
128 KB
L2 Cache
128 KB
-
-
-
Theoretical Performance
7.840 GPixel/s
Pixel Rate
3.200 GPixel/s
23.52 GTexel/s
Texture Rate
6.400 GTexel/s
752.6 GFLOPS
FP16 (half)
-
752.6 GFLOPS
FP32 (float)
256.0 GFLOPS
47.04 GFLOPS
FP64 (double)
-
Board Design
Unknown
TDP
9W
-
-
-
Portable Device Dependent
Outputs
No outputs
-
-
-
Graphics Processor
Topaz
GPU Name
Seymour
Topaz XT
(216-0858020)
GPU Variant
Seymour XTX
(216-0810005)
GCN 3.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.55 billion
Transistors
0.37 billion
125 mm²
Die Size
67 mm²
Graphics Features
12 (12_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.1
OpenCL
1.2
1.2.170
Vulkan
N/A
-
-
-
6.5
Shader Model
5.0
