ATI Mobility Radeon HD 2400 vs ATI Mobility Radeon HD 3870 X2
We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 2400 and 512MB VRAM Mobility Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Mobility Radeon HD 3870 X2 's Advantages
Released 1 years and 4 months late
More VRAM (512GB vs 256GB)
Larger VRAM bandwidth (54.40GB/s vs 6.400GB/s)
280 additional rendering cores
Score
Benchmark
FP32 (float)
Mobility Radeon HD 2400
0.036 TFLOPS
Mobility Radeon HD 3870 X2
+1072%
0.422 TFLOPS
Graphics Card
May 2007
Release Date
Sep 2008
M7x
Generation
M8x
Mobile
Type
Mobile
PCIe 1.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
400 MHz
Memory Clock
850 MHz
Memory
256MB
Memory Size
512MB
DDR2
Memory Type
GDDR3
64bit
Memory Bus
256bit
6.400GB/s
Bandwidth
54.40GB/s
Render Config
2
Compute Units
4
-
-
-
40
Shading Units
320
4
TMUs
16
4
ROPs
16
-
-
-
-
-
-
-
-
-
32 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
1.800 GPixel/s
Pixel Rate
10.56 GPixel/s
1.800 GTexel/s
Texture Rate
10.56 GTexel/s
-
-
-
36.00 GFLOPS
FP32 (float)
422.4 GFLOPS
-
FP64 (double)
84.48 GFLOPS
Board Design
Unknown
TDP
110W
-
-
-
Portable Device Dependent
Outputs
No outputs
-
-
-
Graphics Processor
M72
GPU Name
M88
M72-S
(216QSAKA12FG)
GPU Variant
-
TeraScale
Architecture
TeraScale
TSMC
Foundry
TSMC
65 nm
Process Size
55 nm
0.18 billion
Transistors
0.666 billion
85 mm²
Die Size
192 mm²
Graphics Features
10.0 (10_0)
DirectX
10.1 (10_1)
3.3
OpenGL
3.3
N/A
OpenCL
N/A
N/A
Vulkan
N/A
-
-
-
4.0
Shader Model
4.1
