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GPU Comparison
ATI Mobility Radeon HD 4330 vs AMD Radeon HD 6990M
ATI Mobility Radeon HD 4330 vs AMD Radeon HD 6990M
VS
ATI Mobility Radeon HD 4330
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AMD Radeon HD 6990M
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We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4330 and 2GB VRAM Radeon HD 6990M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6990M 's Advantages
Released 2 years and 6 months late
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (115.2GB/s vs 9.600GB/s)
1040 additional rendering cores
Score
Benchmark
FP32 (float)
Mobility Radeon HD 4330
0.072 TFLOPS
Radeon HD 6990M
+2125%
1.602 TFLOPS
Mobility Radeon HD 4330
VS
Radeon HD 6990M
Graphics Card
Jan 2009
Release Date
Jul 2011
M9x
Generation
Vancouver
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
-
-
-
-
-
-
600 MHz
Memory Clock
900 MHz
Memory
512MB
Memory Size
2GB
GDDR3
Memory Type
GDDR5
64bit
Memory Bus
256bit
9.600GB/s
Bandwidth
115.2GB/s
Render Config
1
Compute Units
14
-
-
-
80
Shading Units
1120
8
TMUs
56
4
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
64 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
1.800 GPixel/s
Pixel Rate
22.88 GPixel/s
3.600 GTexel/s
Texture Rate
40.04 GTexel/s
-
-
-
72.00 GFLOPS
FP32 (float)
1.602 TFLOPS
-
-
-
Board Design
Unknown
TDP
100W
-
-
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
M92
GPU Name
Blackcomb
M92-M (216-0728009)
GPU Variant
Blackcomb XTX (216-0811030)
TeraScale
Architecture
TeraScale 2
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.242 billion
Transistors
1.7 billion
73 mm²
Die Size
212 mm²
Graphics Features
10.1 (10_1)
DirectX
11.2 (11_0)
3.3
OpenGL
4.4
1.1
OpenCL
1.2
N/A
Vulkan
N/A
-
-
-
4.1
Shader Model
5.0
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