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GPU Comparison
AMD Radeon HD 6990M vs AMD Radeon RX 540 Mobile
AMD Radeon HD 6990M vs AMD Radeon RX 540 Mobile
VS
AMD Radeon HD 6990M
AMD Radeon RX 540 Mobile
We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 2GB VRAM Radeon RX 540 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6990M 's Advantages
Larger VRAM bandwidth (115.2GB/s vs 96.00GB/s)
608 additional rendering cores
AMD Radeon RX 540 Mobile 's Advantages
Released 6 years and 4 months late
Boost Clock1219MHz
Lower TDP (50W vs 100W)
Score
Benchmark
FP32 (float)
Radeon HD 6990M
+28%
1.602 TFLOPS
Radeon RX 540 Mobile
1.248 TFLOPS
Radeon HD 6990M
VS
Radeon RX 540 Mobile
Graphics Card
Jul 2011
Release Date
Nov 2017
Vancouver
Generation
Mobility Radeon
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
1124 MHz
-
Boost Clock
1219 MHz
900 MHz
Memory Clock
1500 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
115.2GB/s
Bandwidth
96.00GB/s
Render Config
-
SM Count
-
14
Compute Units
8
1120
Shading Units
512
56
TMUs
32
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
512 KB
Theoretical Performance
22.88 GPixel/s
Pixel Rate
19.50 GPixel/s
40.04 GTexel/s
Texture Rate
39.01 GTexel/s
-
FP16 (half)
1248 GFLOPS
1.602 TFLOPS
FP32 (float)
1248 GFLOPS
-
FP64 (double)
78.02 GFLOPS
Graphics Processor
Blackcomb
GPU Name
Lexa
Blackcomb XTX (216-0811030)
GPU Variant
Lexa PRO (215-0904018)
TeraScale 2
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
40 nm
Process Size
14 nm
1.7 billion
Transistors
2.2 billion
212 mm²
Die Size
103 mm²
Board Design
100W
TDP
50W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Features
11.2 (11_0)
DirectX
12 (12_0)
4.4
OpenGL
4.6
1.2
OpenCL
2.1
N/A
Vulkan
1.2
-
CUDA
-
5.0
Shader Model
6.4
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