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GPU Comparison
AMD Radeon HD 6990M Rebrand vs AMD Radeon HD 8550M
AMD Radeon HD 6990M Rebrand vs AMD Radeon HD 8550M
VS
AMD Radeon HD 6990M Rebrand
AMD Radeon HD 8550M
We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 1024MB VRAM Radeon HD 8550M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6990M Rebrand 's Advantages
Larger VRAM bandwidth (70.40GB/s vs 14.40GB/s)
480 additional rendering cores
AMD Radeon HD 8550M 's Advantages
Released 3 years late
Boost Clock850MHz
Score
Benchmark
FP32 (float)
Radeon HD 6990M Rebrand
+135%
1.28 TFLOPS
Radeon HD 8550M
0.544 TFLOPS
Radeon HD 6990M Rebrand
VS
Radeon HD 8550M
Graphics Card
Jul 2011
Release Date
Jul 2014
Vancouver
Generation
Solar System
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
650 MHz
-
Boost Clock
850 MHz
1100 MHz
Memory Clock
900 MHz
Memory
1024MB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
64bit
70.40GB/s
Bandwidth
14.40GB/s
Render Config
-
SM Count
-
14
Compute Units
5
800
Shading Units
320
40
TMUs
20
16
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
128 KB
Theoretical Performance
12.80 GPixel/s
Pixel Rate
6.800 GPixel/s
32.00 GTexel/s
Texture Rate
17.00 GTexel/s
-
FP16 (half)
-
1280 GFLOPS
FP32 (float)
544.0 GFLOPS
-
FP64 (double)
34.00 GFLOPS
Graphics Processor
Broadway
GPU Name
Sun
Broadway XTX
GPU Variant
Sun S3 LE (216-0841036)
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.04 billion
Transistors
0.69 billion
166 mm²
Die Size
56 mm²
Board Design
100W
TDP
Unknown
-
Suggested PSU
-
No outputs
Outputs
Portable Device Dependent
-
Power Connectors
-
Graphics Features
11.2 (11_0)
DirectX
12 (11_1)
4.4
OpenGL
4.6
1.2
OpenCL
2.1 (1.2)
N/A
Vulkan
1.2.170
-
CUDA
-
5.0
Shader Model
6.5 (5.1)
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