Home GPU Comparison ATI Mobility Radeon HD 4850 X2 vs ATI Mobility Radeon X1900

ATI Mobility Radeon HD 4850 X2 vs ATI Mobility Radeon X1900

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4850 X2 and 256MB VRAM Mobility Radeon X1900 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
Released 2 years late
More VRAM (1024GB vs 256GB)
Larger VRAM bandwidth (89.60GB/s vs 30.08GB/s)
800 additional rendering cores

Score

VS

Graphics Card

Jan 2009
Release Date
Jan 2007
M9x
Generation
M6x
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
MXM-III

Clock Speeds

-
-
-
-
-
-
700 MHz
Memory Clock
470 MHz

Memory

1024MB
Memory Size
256MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
256bit
89.60GB/s
Bandwidth
30.08GB/s

Render Config

10
Compute Units
-
-
-
-
800
Shading Units
-
40
TMUs
12
16
ROPs
12
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
-
-
-
-

Theoretical Performance

8.000 GPixel/s
Pixel Rate
4.800 GPixel/s
20.00 GTexel/s
Texture Rate
4.800 GTexel/s
-
-
-
800.0 GFLOPS
FP32 (float)
-
160.0 GFLOPS
FP64 (double)
-

Board Design

Unknown
TDP
Unknown
-
-
-
Portable Device Dependent
Outputs
Portable Device Dependent
None
Power Connectors
-

Graphics Processor

M98
GPU Name
M68
M98 L2 (216-0732019)
GPU Variant
-
TeraScale
Architecture
Ultra-Threaded SE
TSMC
Foundry
TSMC
55 nm
Process Size
80 nm
0.956 billion
Transistors
0.312 billion
256 mm²
Die Size
230 mm²

Graphics Features

10.1 (10_1)
DirectX
9.0c (9_3)
3.3
OpenGL
2.1
1.1
OpenCL
N/A
N/A
Vulkan
N/A
-
-
-
4.1
Shader Model
3.0

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