Radeon HD 6630M vs Radeon R7 M270
We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6630M and 2GB VRAM Radeon R7 M270 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 6630M Advantages
96 additional rendering cores
Radeon R7 M270 Advantages
Released 3 years late
Boost Clock825MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (28.80GB/s vs 25.60GB/s)
Score
Benchmark
FP32 (float)
Radeon HD 6630M
480
Radeon R7 M270
+31%
633
Graphics Card
Jan 2011
Release Date
Jan 2014
Vancouver
Generation
Gem System
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
725 MHz
-
Boost Clock
825 MHz
800 MHz
Memory Clock
900 MHz
Memory
1024MB
Memory Size
2GB
DDR3
Memory Type
DDR3
128bit
Memory Bus
128bit
25.60GB/s
Bandwidth
28.80GB/s
Render Config
6
Compute Units
6
480
Shading Units
384
24
TMUs
24
8
ROPs
8
8 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
256 KB
Theoretical Performance
4.000 GPixel/s
Pixel Rate
6.600 GPixel/s
12.00 GTexel/s
Texture Rate
19.80 GTexel/s
480.0 GFLOPS
FP32 (float)
633.6 GFLOPS
Board Design
26W
TDP
Unknown
No outputs
Outputs
Portable Device Dependent
Graphics Processor
Whistler
GPU Name
Opal
Whistler LP
GPU Variant
Opal XT
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.716 billion
Transistors
0.95 billion
104 mm²
Die Size
77 mm²
Graphics Features
11.2 (11_0)
DirectX
12 (11_1)
4.4
OpenGL
4.6
1.2
OpenCL
2.1 (1.2)
N/A
Vulkan
1.2.170
5.0
Shader Model
6.5 (5.1)
