Radeon HD 6870M vs Mobility Radeon HD 5145
We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6870M and 1024MB VRAM Mobility Radeon HD 5145 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 6870M 's Advantages
Released 1 years late
Larger VRAM bandwidth (64.00GB/s vs 14.40GB/s)
720 additional rendering cores
Mobility Radeon HD 5145 's Advantages
Lower TDP (15W vs 50W)
Score
Benchmark
FP32 (float)
Radeon HD 6870M
+839%
1080
Mobility Radeon HD 5145
115
Graphics Card
Jan 2011
Release Date
Jan 2010
Vancouver
Generation
M9x
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x16
Clock Speeds
1000 MHz
Memory Clock
900 MHz
Memory
1024MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR3
128bit
Memory Bus
64bit
64.00GB/s
Bandwidth
14.40GB/s
Render Config
10
Compute Units
1
800
Shading Units
80
40
TMUs
8
16
ROPs
4
8 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
64 KB
Theoretical Performance
10.80 GPixel/s
Pixel Rate
2.880 GPixel/s
27.00 GTexel/s
Texture Rate
5.760 GTexel/s
1080 GFLOPS
FP32 (float)
115.2 GFLOPS
Board Design
50W
TDP
15W
No outputs
Outputs
No outputs
Graphics Processor
Granville
GPU Name
M92
Granville XT
(216-0769024)
GPU Variant
-
TeraScale 2
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
1.04 billion
Transistors
0.242 billion
166 mm²
Die Size
73 mm²
Graphics Features
11.2 (11_0)
DirectX
10.1 (10_1)
4.4
OpenGL
3.3
1.2
OpenCL
1.1
N/A
Vulkan
N/A
5.0
Shader Model
4.1
