ATI Mobility Radeon HD 4850 X2 vs ATI Mobility Radeon HD 5145
We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4850 X2 and 1024MB VRAM Mobility Radeon HD 5145 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Mobility Radeon HD 4850 X2 's Advantages
Larger VRAM bandwidth (89.60GB/s vs 14.40GB/s)
720 additional rendering cores
ATI Mobility Radeon HD 5145 's Advantages
Released 1 years late
Score
Benchmark
FP32 (float)
Mobility Radeon HD 4850 X2
+595%
0.8 TFLOPS
Mobility Radeon HD 5145
0.115 TFLOPS
Graphics Card
Jan 2009
Release Date
Jan 2010
M9x
Generation
M9x
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
700 MHz
Memory Clock
900 MHz
Memory
1024MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
64bit
89.60GB/s
Bandwidth
14.40GB/s
Render Config
10
Compute Units
1
-
-
-
800
Shading Units
80
40
TMUs
8
16
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
64 KB
-
-
-
Theoretical Performance
8.000 GPixel/s
Pixel Rate
2.880 GPixel/s
20.00 GTexel/s
Texture Rate
5.760 GTexel/s
-
-
-
800.0 GFLOPS
FP32 (float)
115.2 GFLOPS
160.0 GFLOPS
FP64 (double)
-
Board Design
Unknown
TDP
15W
-
-
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
M98
GPU Name
M92
M98 L2
(216-0732019)
GPU Variant
-
TeraScale
Architecture
TeraScale
TSMC
Foundry
TSMC
55 nm
Process Size
55 nm
0.956 billion
Transistors
0.242 billion
256 mm²
Die Size
73 mm²
Graphics Features
10.1 (10_1)
DirectX
10.1 (10_1)
3.3
OpenGL
3.3
1.1
OpenCL
1.1
N/A
Vulkan
N/A
-
-
-
4.1
Shader Model
4.1
