Mobility Radeon HD 3870 vs Mobility Radeon HD 5470
We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3870 and 512MB VRAM Mobility Radeon HD 5470 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Mobility Radeon HD 3870 's Advantages
Larger VRAM bandwidth (54.40GB/s vs 25.60GB/s)
240 additional rendering cores
Mobility Radeon HD 5470 's Advantages
Released 1 years and 7 months late
Lower TDP (15W vs 55W)
Score
Benchmark
FP32 (float)
Mobility Radeon HD 3870
+251%
422
Mobility Radeon HD 5470
120
Graphics Card
Jun 2008
Release Date
Jan 2010
M8x
Generation
Manhattan
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
850 MHz
Memory Clock
800 MHz
Memory
512MB
Memory Size
512MB
GDDR3
Memory Type
GDDR5
256bit
Memory Bus
64bit
54.40GB/s
Bandwidth
25.60GB/s
Render Config
4
Compute Units
1
320
Shading Units
80
16
TMUs
8
16
ROPs
4
-
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
128 KB
Theoretical Performance
10.56 GPixel/s
Pixel Rate
3.000 GPixel/s
10.56 GTexel/s
Texture Rate
6.000 GTexel/s
422.4 GFLOPS
FP32 (float)
120.0 GFLOPS
84.48 GFLOPS
FP64 (double)
-
Board Design
55W
TDP
15W
No outputs
Outputs
No outputs
Graphics Processor
M88
GPU Name
Park
-
GPU Variant
Park XT
(216-0774009)
TeraScale
Architecture
TeraScale 2
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.666 billion
Transistors
0.292 billion
192 mm²
Die Size
59 mm²
Graphics Features
10.1 (10_1)
DirectX
11.2 (11_0)
3.3
OpenGL
4.4
N/A
OpenCL
1.2
N/A
Vulkan
N/A
4.1
Shader Model
5.0
