Mobility Radeon X2300 HD vs Radeon HD 7870M
We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon X2300 HD and 2GB VRAM Radeon HD 7870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 7870M 's Advantages
Released 5 years and 1 months late
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (64.00GB/s vs 3.024GB/s)
640 additional rendering cores
Score
Graphics Card
Mar 2007
Release Date
Apr 2012
M7x
Generation
London
Mobile
Type
Mobile
PCIe 1.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
378 MHz
Memory Clock
1000 MHz
Memory
256MB
Memory Size
2GB
DDR2
Memory Type
GDDR5
32bit
Memory Bus
128bit
3.024GB/s
Bandwidth
64.00GB/s
Render Config
-
Compute Units
10
-
Shading Units
640
4
TMUs
40
4
ROPs
16
-
L1 Cache
16 KB (per CU)
-
L2 Cache
256 KB
Theoretical Performance
1.916 GPixel/s
Pixel Rate
12.80 GPixel/s
1.916 GTexel/s
Texture Rate
32.00 GTexel/s
-
FP32 (float)
1024 GFLOPS
-
FP64 (double)
64.00 GFLOPS
Board Design
Unknown
TDP
45W
Portable Device Dependent
Outputs
No outputs
Graphics Processor
M71
GPU Name
Heathrow
M71-S
GPU Variant
Heathrow XT
(216-0835033)
Ultra-Threaded SE
Architecture
GCN 1.0
TSMC
Foundry
TSMC
80 nm
Process Size
28 nm
0.107 billion
Transistors
1.5 billion
100 mm²
Die Size
123 mm²
Graphics Features
9.0c (9_3)
DirectX
12 (11_1)
2.1
OpenGL
4.6
N/A
OpenCL
1.2
N/A
Vulkan
1.2
3.0
Shader Model
5.1
